Home / 1,243,260,764.64-1,863,971,775.72-751,864,788.60

Finding the Fourth Proportional to 1,243,260,764.64, 1,863,971,775.72 and 751,864,788.60

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Solution

The fourth proportional to 1,243,260,764.64, 1,863,971,775.72 and 751,864,788.60 is: 1,127,241,191.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,260,764.64 : 1,863,971,775.72 = 751,864,788.60 : x
  2. Step 2: Convert to fraction form
    1,243,260,764.64/1,863,971,775.72 = 751,864,788.60/x
  3. Step 3: Cross multiply
    1,243,260,764.64x = 1,863,971,775.72 × 751,864,788.60
  4. Step 4: Simplify right side
    1,243,260,764.64x = 1,401,454,745,108,084,480
  5. Step 5: Solve for x
    x = 1,401,454,745,108,084,480/1,243,260,764.64
  6. Step 6: Final answer
    x = 1,127,241,191.04

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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.