Home / 782,330,448.30-1,173,495,672.45-472,394,057.10

Finding the Fourth Proportional to 782,330,448.30, 1,173,495,672.45 and 472,394,057.10

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Solution

The fourth proportional to 782,330,448.30, 1,173,495,672.45 and 472,394,057.10 is: 708,591,085.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,330,448.30 : 1,173,495,672.45 = 472,394,057.10 : x
  2. Step 2: Convert to fraction form
    782,330,448.30/1,173,495,672.45 = 472,394,057.10/x
  3. Step 3: Cross multiply
    782,330,448.30x = 1,173,495,672.45 × 472,394,057.10
  4. Step 4: Simplify right side
    782,330,448.30x = 554,352,381,697,948,224
  5. Step 5: Solve for x
    x = 554,352,381,697,948,224/782,330,448.30
  6. Step 6: Final answer
    x = 708,591,085.65

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Double scale
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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.