Home / 662,971,322.40-994,456,983.60-404,690,996.40

Finding the Fourth Proportional to 662,971,322.40, 994,456,983.60 and 404,690,996.40

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Solution

The fourth proportional to 662,971,322.40, 994,456,983.60 and 404,690,996.40 is: 607,036,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,971,322.40 : 994,456,983.60 = 404,690,996.40 : x
  2. Step 2: Convert to fraction form
    662,971,322.40/994,456,983.60 = 404,690,996.40/x
  3. Step 3: Cross multiply
    662,971,322.40x = 994,456,983.60 × 404,690,996.40
  4. Step 4: Simplify right side
    662,971,322.40x = 402,447,787,570,022,464
  5. Step 5: Solve for x
    x = 402,447,787,570,022,464/662,971,322.40
  6. Step 6: Final answer
    x = 607,036,494.60

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Double scale
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Similar ratio
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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.