Home / 869,876,645.30-1,304,814,967.95-482,893,118.90

Finding the Fourth Proportional to 869,876,645.30, 1,304,814,967.95 and 482,893,118.90

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Solution

The fourth proportional to 869,876,645.30, 1,304,814,967.95 and 482,893,118.90 is: 724,339,678.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,876,645.30 : 1,304,814,967.95 = 482,893,118.90 : x
  2. Step 2: Convert to fraction form
    869,876,645.30/1,304,814,967.95 = 482,893,118.90/x
  3. Step 3: Cross multiply
    869,876,645.30x = 1,304,814,967.95 × 482,893,118.90
  4. Step 4: Simplify right side
    869,876,645.30x = 630,086,169,460,779,008
  5. Step 5: Solve for x
    x = 630,086,169,460,779,008/869,876,645.30
  6. Step 6: Final answer
    x = 724,339,678.35

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Double scale
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Similar ratio
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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.