Home / 792,614,401.80-1,188,921,602.70-517,115,387.40

Finding the Fourth Proportional to 792,614,401.80, 1,188,921,602.70 and 517,115,387.40

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Solution

The fourth proportional to 792,614,401.80, 1,188,921,602.70 and 517,115,387.40 is: 775,673,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,614,401.80 : 1,188,921,602.70 = 517,115,387.40 : x
  2. Step 2: Convert to fraction form
    792,614,401.80/1,188,921,602.70 = 517,115,387.40/x
  3. Step 3: Cross multiply
    792,614,401.80x = 1,188,921,602.70 × 517,115,387.40
  4. Step 4: Simplify right side
    792,614,401.80x = 614,809,655,168,439,424
  5. Step 5: Solve for x
    x = 614,809,655,168,439,424/792,614,401.80
  6. Step 6: Final answer
    x = 775,673,081.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.