Home / 424,438,057.71-636,657,086.61-117,730,170.63

Finding the Fourth Proportional to 424,438,057.71, 636,657,086.61 and 117,730,170.63

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Solution

The fourth proportional to 424,438,057.71, 636,657,086.61 and 117,730,170.63 is: 176,595,255.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,438,057.71 : 636,657,086.61 = 117,730,170.63 : x
  2. Step 2: Convert to fraction form
    424,438,057.71/636,657,086.61 = 117,730,170.63/x
  3. Step 3: Cross multiply
    424,438,057.71x = 636,657,086.61 × 117,730,170.63
  4. Step 4: Simplify right side
    424,438,057.71x = 74,953,747,439,393,984
  5. Step 5: Solve for x
    x = 74,953,747,439,393,984/424,438,057.71
  6. Step 6: Final answer
    x = 176,595,255.96

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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.