Home / 437,807,773.60-656,278,508.40-207,371,831.20

Finding the Fourth Proportional to 437,807,773.60, 656,278,508.40 and 207,371,831.20

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Solution

The fourth proportional to 437,807,773.60, 656,278,508.40 and 207,371,831.20 is: 310,852,580.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,807,773.60 : 656,278,508.40 = 207,371,831.20 : x
  2. Step 2: Convert to fraction form
    437,807,773.60/656,278,508.40 = 207,371,831.20/x
  3. Step 3: Cross multiply
    437,807,773.60x = 656,278,508.40 × 207,371,831.20
  4. Step 4: Simplify right side
    437,807,773.60x = 136,093,676,064,112,576
  5. Step 5: Solve for x
    x = 136,093,676,064,112,576/437,807,773.60
  6. Step 6: Final answer
    x = 310,852,580.22

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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.