Home / 1,036,887,161.38-1,555,332,319.35-423,471,387.10

Finding the Fourth Proportional to 1,036,887,161.38, 1,555,332,319.35 and 423,471,387.10

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Solution

The fourth proportional to 1,036,887,161.38, 1,555,332,319.35 and 423,471,387.10 is: 635,207,724.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,887,161.38 : 1,555,332,319.35 = 423,471,387.10 : x
  2. Step 2: Convert to fraction form
    1,036,887,161.38/1,555,332,319.35 = 423,471,387.10/x
  3. Step 3: Cross multiply
    1,036,887,161.38x = 1,555,332,319.35 × 423,471,387.10
  4. Step 4: Simplify right side
    1,036,887,161.38x = 658,638,734,676,604,672
  5. Step 5: Solve for x
    x = 658,638,734,676,604,672/1,036,887,161.38
  6. Step 6: Final answer
    x = 635,207,724.82

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Double scale
Find fourth proportional to 1,036,887,162.38, 1,555,332,320.85 and 423,471,388.10
Similar ratio
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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.