Home / 322,430,842.80-482,937,343.74-266,464,397.43

Finding the Fourth Proportional to 322,430,842.80, 482,937,343.74 and 266,464,397.43

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Solution

The fourth proportional to 322,430,842.80, 482,937,343.74 and 266,464,397.43 is: 399,110,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,430,842.80 : 482,937,343.74 = 266,464,397.43 : x
  2. Step 2: Convert to fraction form
    322,430,842.80/482,937,343.74 = 266,464,397.43/x
  3. Step 3: Cross multiply
    322,430,842.80x = 482,937,343.74 × 266,464,397.43
  4. Step 4: Simplify right side
    322,430,842.80x = 128,685,608,296,123,888
  5. Step 5: Solve for x
    x = 128,685,608,296,123,888/322,430,842.80
  6. Step 6: Final answer
    x = 399,110,727.68

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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.