Home / 551,429,796.10-827,144,694.15-491,164,386.70

Finding the Fourth Proportional to 551,429,796.10, 827,144,694.15 and 491,164,386.70

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Solution

The fourth proportional to 551,429,796.10, 827,144,694.15 and 491,164,386.70 is: 736,746,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,429,796.10 : 827,144,694.15 = 491,164,386.70 : x
  2. Step 2: Convert to fraction form
    551,429,796.10/827,144,694.15 = 491,164,386.70/x
  3. Step 3: Cross multiply
    551,429,796.10x = 827,144,694.15 × 491,164,386.70
  4. Step 4: Simplify right side
    551,429,796.10x = 406,264,016,414,343,808
  5. Step 5: Solve for x
    x = 406,264,016,414,343,808/551,429,796.10
  6. Step 6: Final answer
    x = 736,746,580.05

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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.