Home / 551,430,920.10-827,146,380.15-491,165,510.70

Finding the Fourth Proportional to 551,430,920.10, 827,146,380.15 and 491,165,510.70

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Solution

The fourth proportional to 551,430,920.10, 827,146,380.15 and 491,165,510.70 is: 736,748,266.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,430,920.10 : 827,146,380.15 = 491,165,510.70 : x
  2. Step 2: Convert to fraction form
    551,430,920.10/827,146,380.15 = 491,165,510.70/x
  3. Step 3: Cross multiply
    551,430,920.10x = 827,146,380.15 × 491,165,510.70
  4. Step 4: Simplify right side
    551,430,920.10x = 406,265,774,230,031,040
  5. Step 5: Solve for x
    x = 406,265,774,230,031,040/551,430,920.10
  6. Step 6: Final answer
    x = 736,748,266.05

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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.