Home / 424,632,953.90-636,986,213.46-129,594,450.15

Finding the Fourth Proportional to 424,632,953.90, 636,986,213.46 and 129,594,450.15

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Solution

The fourth proportional to 424,632,953.90, 636,986,213.46 and 129,594,450.15 is: 194,402,900.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,632,953.90 : 636,986,213.46 = 129,594,450.15 : x
  2. Step 2: Convert to fraction form
    424,632,953.90/636,986,213.46 = 129,594,450.15/x
  3. Step 3: Cross multiply
    424,632,953.90x = 636,986,213.46 × 129,594,450.15
  4. Step 4: Simplify right side
    424,632,953.90x = 82,549,878,086,479,232
  5. Step 5: Solve for x
    x = 82,549,878,086,479,232/424,632,953.90
  6. Step 6: Final answer
    x = 194,402,900.97

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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.