Home / 1,086,927,301.90-1,630,390,952.85-918,566,793.10

Finding the Fourth Proportional to 1,086,927,301.90, 1,630,390,952.85 and 918,566,793.10

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Solution

The fourth proportional to 1,086,927,301.90, 1,630,390,952.85 and 918,566,793.10 is: 1,377,850,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,927,301.90 : 1,630,390,952.85 = 918,566,793.10 : x
  2. Step 2: Convert to fraction form
    1,086,927,301.90/1,630,390,952.85 = 918,566,793.10/x
  3. Step 3: Cross multiply
    1,086,927,301.90x = 1,630,390,952.85 × 918,566,793.10
  4. Step 4: Simplify right side
    1,086,927,301.90x = 1,497,622,989,058,677,760
  5. Step 5: Solve for x
    x = 1,497,622,989,058,677,760/1,086,927,301.90
  6. Step 6: Final answer
    x = 1,377,850,189.65

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Half scale
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Double scale
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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.