Home / 8,503,071,161.40-12,754,606,742.10-5,380,748,998.20

Finding the Fourth Proportional to 8,503,071,161.40, 12,754,606,742.10 and 5,380,748,998.20

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Solution

The fourth proportional to 8,503,071,161.40, 12,754,606,742.10 and 5,380,748,998.20 is: 8,071,123,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,071,161.40 : 12,754,606,742.10 = 5,380,748,998.20 : x
  2. Step 2: Convert to fraction form
    8,503,071,161.40/12,754,606,742.10 = 5,380,748,998.20/x
  3. Step 3: Cross multiply
    8,503,071,161.40x = 12,754,606,742.10 × 5,380,748,998.20
  4. Step 4: Simplify right side
    8,503,071,161.40x = 68,629,337,449,989,537,792
  5. Step 5: Solve for x
    x = 68,629,337,449,989,537,792/8,503,071,161.40
  6. Step 6: Final answer
    x = 8,071,123,497.30

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Half scale
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Double scale
Find fourth proportional to 8,503,071,162.40, 12,754,606,743.60 and 5,380,748,999.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.