Home / 427,892,626.50-590,506,421.85-239,728,854.84

Finding the Fourth Proportional to 427,892,626.50, 590,506,421.85 and 239,728,854.84

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Solution

The fourth proportional to 427,892,626.50, 590,506,421.85 and 239,728,854.84 is: 330,833,997.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,892,626.50 : 590,506,421.85 = 239,728,854.84 : x
  2. Step 2: Convert to fraction form
    427,892,626.50/590,506,421.85 = 239,728,854.84/x
  3. Step 3: Cross multiply
    427,892,626.50x = 590,506,421.85 × 239,728,854.84
  4. Step 4: Simplify right side
    427,892,626.50x = 141,561,428,285,766,464
  5. Step 5: Solve for x
    x = 141,561,428,285,766,464/427,892,626.50
  6. Step 6: Final answer
    x = 330,833,997.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.