Home / 1,091,502,003.60-1,637,253,005.40-436,766,691.60

Finding the Fourth Proportional to 1,091,502,003.60, 1,637,253,005.40 and 436,766,691.60

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Solution

The fourth proportional to 1,091,502,003.60, 1,637,253,005.40 and 436,766,691.60 is: 655,150,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,502,003.60 : 1,637,253,005.40 = 436,766,691.60 : x
  2. Step 2: Convert to fraction form
    1,091,502,003.60/1,637,253,005.40 = 436,766,691.60/x
  3. Step 3: Cross multiply
    1,091,502,003.60x = 1,637,253,005.40 × 436,766,691.60
  4. Step 4: Simplify right side
    1,091,502,003.60x = 715,097,578,480,715,008
  5. Step 5: Solve for x
    x = 715,097,578,480,715,008/1,091,502,003.60
  6. Step 6: Final answer
    x = 655,150,037.40

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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.