Home / 676,885,545.74-933,758,259.54-442,073,654.30

Finding the Fourth Proportional to 676,885,545.74, 933,758,259.54 and 442,073,654.30

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Solution

The fourth proportional to 676,885,545.74, 933,758,259.54 and 442,073,654.30 is: 609,837,111.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,885,545.74 : 933,758,259.54 = 442,073,654.30 : x
  2. Step 2: Convert to fraction form
    676,885,545.74/933,758,259.54 = 442,073,654.30/x
  3. Step 3: Cross multiply
    676,885,545.74x = 933,758,259.54 × 442,073,654.30
  4. Step 4: Simplify right side
    676,885,545.74x = 412,789,926,027,655,616
  5. Step 5: Solve for x
    x = 412,789,926,027,655,616/676,885,545.74
  6. Step 6: Final answer
    x = 609,837,111.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.