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Finding the Fourth Proportional to 615,694,920.80, 849,648,489.44 and 333,435,068.06

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Solution

The fourth proportional to 615,694,920.80, 849,648,489.44 and 333,435,068.06 is: 460,134,706.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,694,920.80 : 849,648,489.44 = 333,435,068.06 : x
  2. Step 2: Convert to fraction form
    615,694,920.80/849,648,489.44 = 333,435,068.06/x
  3. Step 3: Cross multiply
    615,694,920.80x = 849,648,489.44 × 333,435,068.06
  4. Step 4: Simplify right side
    615,694,920.80x = 283,302,601,897,587,168
  5. Step 5: Solve for x
    x = 283,302,601,897,587,168/615,694,920.80
  6. Step 6: Final answer
    x = 460,134,706.86

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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.