Home / 765,150,981.72-1,056,234,164.82-514,400,799.48

Finding the Fourth Proportional to 765,150,981.72, 1,056,234,164.82 and 514,400,799.48

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Solution

The fourth proportional to 765,150,981.72, 1,056,234,164.82 and 514,400,799.48 is: 710,092,141.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,150,981.72 : 1,056,234,164.82 = 514,400,799.48 : x
  2. Step 2: Convert to fraction form
    765,150,981.72/1,056,234,164.82 = 514,400,799.48/x
  3. Step 3: Cross multiply
    765,150,981.72x = 1,056,234,164.82 × 514,400,799.48
  4. Step 4: Simplify right side
    765,150,981.72x = 543,327,698,821,498,112
  5. Step 5: Solve for x
    x = 543,327,698,821,498,112/765,150,981.72
  6. Step 6: Final answer
    x = 710,092,141.03

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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.