Home / 765,150,979.08-1,056,234,161.19-514,400,796.84

Finding the Fourth Proportional to 765,150,979.08, 1,056,234,161.19 and 514,400,796.84

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Solution

The fourth proportional to 765,150,979.08, 1,056,234,161.19 and 514,400,796.84 is: 710,092,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,150,979.08 : 1,056,234,161.19 = 514,400,796.84 : x
  2. Step 2: Convert to fraction form
    765,150,979.08/1,056,234,161.19 = 514,400,796.84/x
  3. Step 3: Cross multiply
    765,150,979.08x = 1,056,234,161.19 × 514,400,796.84
  4. Step 4: Simplify right side
    765,150,979.08x = 543,327,694,165,764,992
  5. Step 5: Solve for x
    x = 543,327,694,165,764,992/765,150,979.08
  6. Step 6: Final answer
    x = 710,092,137.40

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Double scale
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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.