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Finding the Fourth Proportional to 615,694,891.83, 849,648,449.42 and 333,435,039.10

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Solution

The fourth proportional to 615,694,891.83, 849,648,449.42 and 333,435,039.10 is: 460,134,666.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,694,891.83 : 849,648,449.42 = 333,435,039.10 : x
  2. Step 2: Convert to fraction form
    615,694,891.83/849,648,449.42 = 333,435,039.10/x
  3. Step 3: Cross multiply
    615,694,891.83x = 849,648,449.42 × 333,435,039.10
  4. Step 4: Simplify right side
    615,694,891.83x = 283,302,563,951,944,896
  5. Step 5: Solve for x
    x = 283,302,563,951,944,896/615,694,891.83
  6. Step 6: Final answer
    x = 460,134,666.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.