Home / 476,687,743.26-715,045,033.18-131,641,372.86

Finding the Fourth Proportional to 476,687,743.26, 715,045,033.18 and 131,641,372.86

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Solution

The fourth proportional to 476,687,743.26, 715,045,033.18 and 131,641,372.86 is: 197,465,764.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,687,743.26 : 715,045,033.18 = 131,641,372.86 : x
  2. Step 2: Convert to fraction form
    476,687,743.26/715,045,033.18 = 131,641,372.86/x
  3. Step 3: Cross multiply
    476,687,743.26x = 715,045,033.18 × 131,641,372.86
  4. Step 4: Simplify right side
    476,687,743.26x = 94,129,509,824,539,440
  5. Step 5: Solve for x
    x = 94,129,509,824,539,440/476,687,743.26
  6. Step 6: Final answer
    x = 197,465,764.86

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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.