Home / 398,998,214.58-598,554,441.15-122,672,631

Finding the Fourth Proportional to 398,998,214.58, 598,554,441.15 and 122,672,631

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Solution

The fourth proportional to 398,998,214.58, 598,554,441.15 and 122,672,631 is: 184,026,507.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,998,214.58 : 598,554,441.15 = 122,672,631 : x
  2. Step 2: Convert to fraction form
    398,998,214.58/598,554,441.15 = 122,672,631/x
  3. Step 3: Cross multiply
    398,998,214.58x = 598,554,441.15 × 122,672,631
  4. Step 4: Simplify right side
    398,998,214.58x = 73,426,248,092,605,168
  5. Step 5: Solve for x
    x = 73,426,248,092,605,168/398,998,214.58
  6. Step 6: Final answer
    x = 184,026,507.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.