Home / 354,294,547.60-531,441,821.40-324,161,842.90

Finding the Fourth Proportional to 354,294,547.60, 531,441,821.40 and 324,161,842.90

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Solution

The fourth proportional to 354,294,547.60, 531,441,821.40 and 324,161,842.90 is: 486,242,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,547.60 : 531,441,821.40 = 324,161,842.90 : x
  2. Step 2: Convert to fraction form
    354,294,547.60/531,441,821.40 = 324,161,842.90/x
  3. Step 3: Cross multiply
    354,294,547.60x = 531,441,821.40 × 324,161,842.90
  4. Step 4: Simplify right side
    354,294,547.60x = 172,273,160,219,156,640
  5. Step 5: Solve for x
    x = 172,273,160,219,156,640/354,294,547.60
  6. Step 6: Final answer
    x = 486,242,764.35

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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.