Home / 453,991,911.20-680,987,866.80-344,222,772.65

Finding the Fourth Proportional to 453,991,911.20, 680,987,866.80 and 344,222,772.65

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Solution

The fourth proportional to 453,991,911.20, 680,987,866.80 and 344,222,772.65 is: 516,334,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,991,911.20 : 680,987,866.80 = 344,222,772.65 : x
  2. Step 2: Convert to fraction form
    453,991,911.20/680,987,866.80 = 344,222,772.65/x
  3. Step 3: Cross multiply
    453,991,911.20x = 680,987,866.80 × 344,222,772.65
  4. Step 4: Simplify right side
    453,991,911.20x = 234,411,531,650,904,864
  5. Step 5: Solve for x
    x = 234,411,531,650,904,864/453,991,911.20
  6. Step 6: Final answer
    x = 516,334,158.98

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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.