Home / 653,241,844.80-979,862,767.20-576,714,340.80

Finding the Fourth Proportional to 653,241,844.80, 979,862,767.20 and 576,714,340.80

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Solution

The fourth proportional to 653,241,844.80, 979,862,767.20 and 576,714,340.80 is: 865,071,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,241,844.80 : 979,862,767.20 = 576,714,340.80 : x
  2. Step 2: Convert to fraction form
    653,241,844.80/979,862,767.20 = 576,714,340.80/x
  3. Step 3: Cross multiply
    653,241,844.80x = 979,862,767.20 × 576,714,340.80
  4. Step 4: Simplify right side
    653,241,844.80x = 565,100,909,860,211,840
  5. Step 5: Solve for x
    x = 565,100,909,860,211,840/653,241,844.80
  6. Step 6: Final answer
    x = 865,071,511.20

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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.