Home / 592,338,864.30-888,508,296.45-420,151,980.30

Finding the Fourth Proportional to 592,338,864.30, 888,508,296.45 and 420,151,980.30

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Solution

The fourth proportional to 592,338,864.30, 888,508,296.45 and 420,151,980.30 is: 630,227,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,338,864.30 : 888,508,296.45 = 420,151,980.30 : x
  2. Step 2: Convert to fraction form
    592,338,864.30/888,508,296.45 = 420,151,980.30/x
  3. Step 3: Cross multiply
    592,338,864.30x = 888,508,296.45 × 420,151,980.30
  4. Step 4: Simplify right side
    592,338,864.30x = 373,308,520,266,446,976
  5. Step 5: Solve for x
    x = 373,308,520,266,446,976/592,338,864.30
  6. Step 6: Final answer
    x = 630,227,970.45

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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.