Home / 8,503,073,309.40-12,754,609,964.10-7,125,578,237.40

Finding the Fourth Proportional to 8,503,073,309.40, 12,754,609,964.10 and 7,125,578,237.40

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Solution

The fourth proportional to 8,503,073,309.40, 12,754,609,964.10 and 7,125,578,237.40 is: 10,688,367,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,073,309.40 : 12,754,609,964.10 = 7,125,578,237.40 : x
  2. Step 2: Convert to fraction form
    8,503,073,309.40/12,754,609,964.10 = 7,125,578,237.40/x
  3. Step 3: Cross multiply
    8,503,073,309.40x = 12,754,609,964.10 × 7,125,578,237.40
  4. Step 4: Simplify right side
    8,503,073,309.40x = 90,883,971,186,716,147,712
  5. Step 5: Solve for x
    x = 90,883,971,186,716,147,712/8,503,073,309.40
  6. Step 6: Final answer
    x = 10,688,367,356.10

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Double scale
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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.