Home / 437,806,345.60-656,276,366.40-207,370,403.20

Finding the Fourth Proportional to 437,806,345.60, 656,276,366.40 and 207,370,403.20

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Solution

The fourth proportional to 437,806,345.60, 656,276,366.40 and 207,370,403.20 is: 310,850,438.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,806,345.60 : 656,276,366.40 = 207,370,403.20 : x
  2. Step 2: Convert to fraction form
    437,806,345.60/656,276,366.40 = 207,370,403.20/x
  3. Step 3: Cross multiply
    437,806,345.60x = 656,276,366.40 × 207,370,403.20
  4. Step 4: Simplify right side
    437,806,345.60x = 136,092,294,710,998,912
  5. Step 5: Solve for x
    x = 136,092,294,710,998,912/437,806,345.60
  6. Step 6: Final answer
    x = 310,850,438.96

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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.