Home / 1,027,911,643.56-1,539,996,778.44-917,712,037.80

Finding the Fourth Proportional to 1,027,911,643.56, 1,539,996,778.44 and 917,712,037.80

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Solution

The fourth proportional to 1,027,911,643.56, 1,539,996,778.44 and 917,712,037.80 is: 1,374,897,921.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,911,643.56 : 1,539,996,778.44 = 917,712,037.80 : x
  2. Step 2: Convert to fraction form
    1,027,911,643.56/1,539,996,778.44 = 917,712,037.80/x
  3. Step 3: Cross multiply
    1,027,911,643.56x = 1,539,996,778.44 × 917,712,037.80
  4. Step 4: Simplify right side
    1,027,911,643.56x = 1,413,273,581,747,607,552
  5. Step 5: Solve for x
    x = 1,413,273,581,747,607,552/1,027,911,643.56
  6. Step 6: Final answer
    x = 1,374,897,921.04

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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.