Home / 662,304,988.38-914,029,190.55-383,918,382.30

Finding the Fourth Proportional to 662,304,988.38, 914,029,190.55 and 383,918,382.30

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Solution

The fourth proportional to 662,304,988.38, 914,029,190.55 and 383,918,382.30 is: 529,835,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,304,988.38 : 914,029,190.55 = 383,918,382.30 : x
  2. Step 2: Convert to fraction form
    662,304,988.38/914,029,190.55 = 383,918,382.30/x
  3. Step 3: Cross multiply
    662,304,988.38x = 914,029,190.55 × 383,918,382.30
  4. Step 4: Simplify right side
    662,304,988.38x = 350,912,608,210,934,464
  5. Step 5: Solve for x
    x = 350,912,608,210,934,464/662,304,988.38
  6. Step 6: Final answer
    x = 529,835,369.46

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Double scale
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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.