Home / 728,738,149.92-1,092,228,987.76-334,721,260.32

Finding the Fourth Proportional to 728,738,149.92, 1,092,228,987.76 and 334,721,260.32

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Solution

The fourth proportional to 728,738,149.92, 1,092,228,987.76 and 334,721,260.32 is: 501,678,501.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,738,149.92 : 1,092,228,987.76 = 334,721,260.32 : x
  2. Step 2: Convert to fraction form
    728,738,149.92/1,092,228,987.76 = 334,721,260.32/x
  3. Step 3: Cross multiply
    728,738,149.92x = 1,092,228,987.76 × 334,721,260.32
  4. Step 4: Simplify right side
    728,738,149.92x = 365,592,263,341,065,024
  5. Step 5: Solve for x
    x = 365,592,263,341,065,024/728,738,149.92
  6. Step 6: Final answer
    x = 501,678,501.92

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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.