Home / 447,945,949.60-671,918,924.40-124,829,821.60

Finding the Fourth Proportional to 447,945,949.60, 671,918,924.40 and 124,829,821.60

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Solution

The fourth proportional to 447,945,949.60, 671,918,924.40 and 124,829,821.60 is: 187,244,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,945,949.60 : 671,918,924.40 = 124,829,821.60 : x
  2. Step 2: Convert to fraction form
    447,945,949.60/671,918,924.40 = 124,829,821.60/x
  3. Step 3: Cross multiply
    447,945,949.60x = 671,918,924.40 × 124,829,821.60
  4. Step 4: Simplify right side
    447,945,949.60x = 83,875,519,462,515,888
  5. Step 5: Solve for x
    x = 83,875,519,462,515,888/447,945,949.60
  6. Step 6: Final answer
    x = 187,244,732.40

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Double scale
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Similar ratio
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1.5x scale

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.