Home / 551,429,784.60-827,144,676.90-491,164,375.20

Finding the Fourth Proportional to 551,429,784.60, 827,144,676.90 and 491,164,375.20

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Solution

The fourth proportional to 551,429,784.60, 827,144,676.90 and 491,164,375.20 is: 736,746,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,429,784.60 : 827,144,676.90 = 491,164,375.20 : x
  2. Step 2: Convert to fraction form
    551,429,784.60/827,144,676.90 = 491,164,375.20/x
  3. Step 3: Cross multiply
    551,429,784.60x = 827,144,676.90 × 491,164,375.20
  4. Step 4: Simplify right side
    551,429,784.60x = 406,263,998,429,594,368
  5. Step 5: Solve for x
    x = 406,263,998,429,594,368/551,429,784.60
  6. Step 6: Final answer
    x = 736,746,562.80

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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.