Home / 704,686,539.90-1,057,029,809.85-487,008,306.30

Finding the Fourth Proportional to 704,686,539.90, 1,057,029,809.85 and 487,008,306.30

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Solution

The fourth proportional to 704,686,539.90, 1,057,029,809.85 and 487,008,306.30 is: 730,512,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,686,539.90 : 1,057,029,809.85 = 487,008,306.30 : x
  2. Step 2: Convert to fraction form
    704,686,539.90/1,057,029,809.85 = 487,008,306.30/x
  3. Step 3: Cross multiply
    704,686,539.90x = 1,057,029,809.85 × 487,008,306.30
  4. Step 4: Simplify right side
    704,686,539.90x = 514,782,297,403,659,584
  5. Step 5: Solve for x
    x = 514,782,297,403,659,584/704,686,539.90
  6. Step 6: Final answer
    x = 730,512,459.45

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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.