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Finding the Fourth Proportional to 604,260,078.80, 906,390,118.20 and 483,327,726.80

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Solution

The fourth proportional to 604,260,078.80, 906,390,118.20 and 483,327,726.80 is: 724,991,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,260,078.80 : 906,390,118.20 = 483,327,726.80 : x
  2. Step 2: Convert to fraction form
    604,260,078.80/906,390,118.20 = 483,327,726.80/x
  3. Step 3: Cross multiply
    604,260,078.80x = 906,390,118.20 × 483,327,726.80
  4. Step 4: Simplify right side
    604,260,078.80x = 438,083,475,423,589,312
  5. Step 5: Solve for x
    x = 438,083,475,423,589,312/604,260,078.80
  6. Step 6: Final answer
    x = 724,991,590.20

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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.