Home / 655,502,999.41-904,583,582.31-358,138,856.55

Finding the Fourth Proportional to 655,502,999.41, 904,583,582.31 and 358,138,856.55

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Solution

The fourth proportional to 655,502,999.41, 904,583,582.31 and 358,138,856.55 is: 494,225,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,502,999.41 : 904,583,582.31 = 358,138,856.55 : x
  2. Step 2: Convert to fraction form
    655,502,999.41/904,583,582.31 = 358,138,856.55/x
  3. Step 3: Cross multiply
    655,502,999.41x = 904,583,582.31 × 358,138,856.55
  4. Step 4: Simplify right side
    655,502,999.41x = 323,966,529,822,406,208
  5. Step 5: Solve for x
    x = 323,966,529,822,406,208/655,502,999.41
  6. Step 6: Final answer
    x = 494,225,854.21

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