Home / 8,503,073,999.40-12,754,610,999.10-7,958,878,415.40

Finding the Fourth Proportional to 8,503,073,999.40, 12,754,610,999.10 and 7,958,878,415.40

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Solution

The fourth proportional to 8,503,073,999.40, 12,754,610,999.10 and 7,958,878,415.40 is: 11,938,317,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,073,999.40 : 12,754,610,999.10 = 7,958,878,415.40 : x
  2. Step 2: Convert to fraction form
    8,503,073,999.40/12,754,610,999.10 = 7,958,878,415.40/x
  3. Step 3: Cross multiply
    8,503,073,999.40x = 12,754,610,999.10 × 7,958,878,415.40
  4. Step 4: Simplify right side
    8,503,073,999.40x = 101,512,398,177,560,412,160
  5. Step 5: Solve for x
    x = 101,512,398,177,560,412,160/8,503,073,999.40
  6. Step 6: Final answer
    x = 11,938,317,623.10

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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.