Home / 765,150,976.17-1,056,234,157.17-514,400,793.94

Finding the Fourth Proportional to 765,150,976.17, 1,056,234,157.17 and 514,400,793.94

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Solution

The fourth proportional to 765,150,976.17, 1,056,234,157.17 and 514,400,793.94 is: 710,092,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,150,976.17 : 1,056,234,157.17 = 514,400,793.94 : x
  2. Step 2: Convert to fraction form
    765,150,976.17/1,056,234,157.17 = 514,400,793.94/x
  3. Step 3: Cross multiply
    765,150,976.17x = 1,056,234,157.17 × 514,400,793.94
  4. Step 4: Simplify right side
    765,150,976.17x = 543,327,689,031,486,144
  5. Step 5: Solve for x
    x = 543,327,689,031,486,144/765,150,976.17
  6. Step 6: Final answer
    x = 710,092,133.38

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Double scale
Find fourth proportional to 765,150,977.17, 1,056,234,158.55 and 514,400,794.94
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1.5x scale

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.