Home / 424,979,956.33-637,655,195.27-148,829,270.61

Finding the Fourth Proportional to 424,979,956.33, 637,655,195.27 and 148,829,270.61

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Solution

The fourth proportional to 424,979,956.33, 637,655,195.27 and 148,829,270.61 is: 223,308,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,979,956.33 : 637,655,195.27 = 148,829,270.61 : x
  2. Step 2: Convert to fraction form
    424,979,956.33/637,655,195.27 = 148,829,270.61/x
  3. Step 3: Cross multiply
    424,979,956.33x = 637,655,195.27 × 148,829,270.61
  4. Step 4: Simplify right side
    424,979,956.33x = 94,901,757,612,711,232
  5. Step 5: Solve for x
    x = 94,901,757,612,711,232/424,979,956.33
  6. Step 6: Final answer
    x = 223,308,784.80

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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.