Home / 767,526,188.62-1,059,186,141.96-415,102,179.29

Finding the Fourth Proportional to 767,526,188.62, 1,059,186,141.96 and 415,102,179.29

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Solution

The fourth proportional to 767,526,188.62, 1,059,186,141.96 and 415,102,179.29 is: 572,841,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,526,188.62 : 1,059,186,141.96 = 415,102,179.29 : x
  2. Step 2: Convert to fraction form
    767,526,188.62/1,059,186,141.96 = 415,102,179.29/x
  3. Step 3: Cross multiply
    767,526,188.62x = 1,059,186,141.96 × 415,102,179.29
  4. Step 4: Simplify right side
    767,526,188.62x = 439,670,475,799,240,640
  5. Step 5: Solve for x
    x = 439,670,475,799,240,640/767,526,188.62
  6. Step 6: Final answer
    x = 572,841,008.32

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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.