Home / 264,012,528.90-396,016,825.05-79,779,648.90

Finding the Fourth Proportional to 264,012,528.90, 396,016,825.05 and 79,779,648.90

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Solution

The fourth proportional to 264,012,528.90, 396,016,825.05 and 79,779,648.90 is: 119,668,878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,012,528.90 : 396,016,825.05 = 79,779,648.90 : x
  2. Step 2: Convert to fraction form
    264,012,528.90/396,016,825.05 = 79,779,648.90/x
  3. Step 3: Cross multiply
    264,012,528.90x = 396,016,825.05 × 79,779,648.90
  4. Step 4: Simplify right side
    264,012,528.90x = 31,594,083,260,981,728
  5. Step 5: Solve for x
    x = 31,594,083,260,981,728/264,012,528.90
  6. Step 6: Final answer
    x = 119,668,878.57

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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.