Home / 551,428,017.10-827,142,025.65-491,162,607.70

Finding the Fourth Proportional to 551,428,017.10, 827,142,025.65 and 491,162,607.70

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Solution

The fourth proportional to 551,428,017.10, 827,142,025.65 and 491,162,607.70 is: 736,743,911.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,428,017.10 : 827,142,025.65 = 491,162,607.70 : x
  2. Step 2: Convert to fraction form
    551,428,017.10/827,142,025.65 = 491,162,607.70/x
  3. Step 3: Cross multiply
    551,428,017.10x = 827,142,025.65 × 491,162,607.70
  4. Step 4: Simplify right side
    551,428,017.10x = 406,261,234,256,514,240
  5. Step 5: Solve for x
    x = 406,261,234,256,514,240/551,428,017.10
  6. Step 6: Final answer
    x = 736,743,911.55

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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.