Home / 424,730,224,531.71-637,195,816,015.26-137,887,726,543.17

Finding the Fourth Proportional to 424,730,224,531.71, 637,195,816,015.26 and 137,887,726,543.17

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Solution

The fourth proportional to 424,730,224,531.71, 637,195,816,015.26 and 137,887,726,543.17 is: 206,864,210,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,730,224,531.71 : 637,195,816,015.26 = 137,887,726,543.17 : x
  2. Step 2: Convert to fraction form
    424,730,224,531.71/637,195,816,015.26 = 137,887,726,543.17/x
  3. Step 3: Cross multiply
    424,730,224,531.71x = 637,195,816,015.26 × 137,887,726,543.17
  4. Step 4: Simplify right side
    424,730,224,531.71x = 87,861,482,433,164,238,389,248
  5. Step 5: Solve for x
    x = 87,861,482,433,164,238,389,248/424,730,224,531.71
  6. Step 6: Final answer
    x = 206,864,210,170.20

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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.