Home / 621,517,136.80-932,387,679.60-258,048,234.40

Finding the Fourth Proportional to 621,517,136.80, 932,387,679.60 and 258,048,234.40

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Solution

The fourth proportional to 621,517,136.80, 932,387,679.60 and 258,048,234.40 is: 387,118,842.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,517,136.80 : 932,387,679.60 = 258,048,234.40 : x
  2. Step 2: Convert to fraction form
    621,517,136.80/932,387,679.60 = 258,048,234.40/x
  3. Step 3: Cross multiply
    621,517,136.80x = 932,387,679.60 × 258,048,234.40
  4. Step 4: Simplify right side
    621,517,136.80x = 240,600,994,497,092,896
  5. Step 5: Solve for x
    x = 240,600,994,497,092,896/621,517,136.80
  6. Step 6: Final answer
    x = 387,118,842.35

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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.