Home / 663,732,023.80-995,598,035.70-459,490,718.20

Finding the Fourth Proportional to 663,732,023.80, 995,598,035.70 and 459,490,718.20

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Solution

The fourth proportional to 663,732,023.80, 995,598,035.70 and 459,490,718.20 is: 689,236,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,732,023.80 : 995,598,035.70 = 459,490,718.20 : x
  2. Step 2: Convert to fraction form
    663,732,023.80/995,598,035.70 = 459,490,718.20/x
  3. Step 3: Cross multiply
    663,732,023.80x = 995,598,035.70 × 459,490,718.20
  4. Step 4: Simplify right side
    663,732,023.80x = 457,468,056,462,302,272
  5. Step 5: Solve for x
    x = 457,468,056,462,302,272/663,732,023.80
  6. Step 6: Final answer
    x = 689,236,077.30

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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.