Home / 728,275,511.70-1,092,413,267.55-723,173,678.10

Finding the Fourth Proportional to 728,275,511.70, 1,092,413,267.55 and 723,173,678.10

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Solution

The fourth proportional to 728,275,511.70, 1,092,413,267.55 and 723,173,678.10 is: 1,084,760,517.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,275,511.70 : 1,092,413,267.55 = 723,173,678.10 : x
  2. Step 2: Convert to fraction form
    728,275,511.70/1,092,413,267.55 = 723,173,678.10/x
  3. Step 3: Cross multiply
    728,275,511.70x = 1,092,413,267.55 × 723,173,678.10
  4. Step 4: Simplify right side
    728,275,511.70x = 790,004,520,699,372,928
  5. Step 5: Solve for x
    x = 790,004,520,699,372,928/728,275,511.70
  6. Step 6: Final answer
    x = 1,084,760,517.15

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Double scale
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1.5x scale

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.