Home / 577,680,157.74-866,488,341.78-422,393,097.54

Finding the Fourth Proportional to 577,680,157.74, 866,488,341.78 and 422,393,097.54

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Solution

The fourth proportional to 577,680,157.74, 866,488,341.78 and 422,393,097.54 is: 633,566,325.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,680,157.74 : 866,488,341.78 = 422,393,097.54 : x
  2. Step 2: Convert to fraction form
    577,680,157.74/866,488,341.78 = 422,393,097.54/x
  3. Step 3: Cross multiply
    577,680,157.74x = 866,488,341.78 × 422,393,097.54
  4. Step 4: Simplify right side
    577,680,157.74x = 365,998,694,666,752,384
  5. Step 5: Solve for x
    x = 365,998,694,666,752,384/577,680,157.74
  6. Step 6: Final answer
    x = 633,566,325.18

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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.