Home / 439,923,663.60-660,310,648.20-267,736,779.60

Finding the Fourth Proportional to 439,923,663.60, 660,310,648.20 and 267,736,779.60

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Solution

The fourth proportional to 439,923,663.60, 660,310,648.20 and 267,736,779.60 is: 401,863,916.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,923,663.60 : 660,310,648.20 = 267,736,779.60 : x
  2. Step 2: Convert to fraction form
    439,923,663.60/660,310,648.20 = 267,736,779.60/x
  3. Step 3: Cross multiply
    439,923,663.60x = 660,310,648.20 × 267,736,779.60
  4. Step 4: Simplify right side
    439,923,663.60x = 176,789,446,484,656,544
  5. Step 5: Solve for x
    x = 176,789,446,484,656,544/439,923,663.60
  6. Step 6: Final answer
    x = 401,863,916.66

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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.