Home / 331,776,278.60-497,664,417.90-245,779,939.40

Finding the Fourth Proportional to 331,776,278.60, 497,664,417.90 and 245,779,939.40

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Solution

The fourth proportional to 331,776,278.60, 497,664,417.90 and 245,779,939.40 is: 368,669,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,278.60 : 497,664,417.90 = 245,779,939.40 : x
  2. Step 2: Convert to fraction form
    331,776,278.60/497,664,417.90 = 245,779,939.40/x
  3. Step 3: Cross multiply
    331,776,278.60x = 497,664,417.90 × 245,779,939.40
  4. Step 4: Simplify right side
    331,776,278.60x = 122,315,930,472,998,272
  5. Step 5: Solve for x
    x = 122,315,930,472,998,272/331,776,278.60
  6. Step 6: Final answer
    x = 368,669,909.10

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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.