Home / 767,539,396.38-1,059,204,359.52-415,115,376.96

Finding the Fourth Proportional to 767,539,396.38, 1,059,204,359.52 and 415,115,376.96

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Solution

The fourth proportional to 767,539,396.38, 1,059,204,359.52 and 415,115,376.96 is: 572,859,216.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,539,396.38 : 1,059,204,359.52 = 415,115,376.96 : x
  2. Step 2: Convert to fraction form
    767,539,396.38/1,059,204,359.52 = 415,115,376.96/x
  3. Step 3: Cross multiply
    767,539,396.38x = 1,059,204,359.52 × 415,115,376.96
  4. Step 4: Simplify right side
    767,539,396.38x = 439,692,016,979,820,160
  5. Step 5: Solve for x
    x = 439,692,016,979,820,160/767,539,396.38
  6. Step 6: Final answer
    x = 572,859,216.16

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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.