Home / 472,364,531.66-708,466,042.51-127,237,446.11

Finding the Fourth Proportional to 472,364,531.66, 708,466,042.51 and 127,237,446.11

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Solution

The fourth proportional to 472,364,531.66, 708,466,042.51 and 127,237,446.11 is: 190,834,416.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,364,531.66 : 708,466,042.51 = 127,237,446.11 : x
  2. Step 2: Convert to fraction form
    472,364,531.66/708,466,042.51 = 127,237,446.11/x
  3. Step 3: Cross multiply
    472,364,531.66x = 708,466,042.51 × 127,237,446.11
  4. Step 4: Simplify right side
    472,364,531.66x = 90,143,409,904,631,088
  5. Step 5: Solve for x
    x = 90,143,409,904,631,088/472,364,531.66
  6. Step 6: Final answer
    x = 190,834,416.78

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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.