Home / 1,243,260,765.64-1,863,971,777.22-751,864,789.60

Finding the Fourth Proportional to 1,243,260,765.64, 1,863,971,777.22 and 751,864,789.60

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Solution

The fourth proportional to 1,243,260,765.64, 1,863,971,777.22 and 751,864,789.60 is: 1,127,241,192.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,260,765.64 : 1,863,971,777.22 = 751,864,789.60 : x
  2. Step 2: Convert to fraction form
    1,243,260,765.64/1,863,971,777.22 = 751,864,789.60/x
  3. Step 3: Cross multiply
    1,243,260,765.64x = 1,863,971,777.22 × 751,864,789.60
  4. Step 4: Simplify right side
    1,243,260,765.64x = 1,401,454,748,099,853,312
  5. Step 5: Solve for x
    x = 1,401,454,748,099,853,312/1,243,260,765.64
  6. Step 6: Final answer
    x = 1,127,241,192.54

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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.