Home / 1,860,778,568.30-2,789,478,451.32-928,386,591.44

Finding the Fourth Proportional to 1,860,778,568.30, 2,789,478,451.32 and 928,386,591.44

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Solution

The fourth proportional to 1,860,778,568.30, 2,789,478,451.32 and 928,386,591.44 is: 1,391,737,004.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,778,568.30 : 2,789,478,451.32 = 928,386,591.44 : x
  2. Step 2: Convert to fraction form
    1,860,778,568.30/2,789,478,451.32 = 928,386,591.44/x
  3. Step 3: Cross multiply
    1,860,778,568.30x = 2,789,478,451.32 × 928,386,591.44
  4. Step 4: Simplify right side
    1,860,778,568.30x = 2,589,714,391,316,304,896
  5. Step 5: Solve for x
    x = 2,589,714,391,316,304,896/1,860,778,568.30
  6. Step 6: Final answer
    x = 1,391,737,004.84

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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.