Home / 1,179,887,920.60-1,771,847,420.10-772,749,002.20

Finding the Fourth Proportional to 1,179,887,920.60, 1,771,847,420.10 and 772,749,002.20

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Solution

The fourth proportional to 1,179,887,920.60, 1,771,847,420.10 and 772,749,002.20 is: 1,160,443,548.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,887,920.60 : 1,771,847,420.10 = 772,749,002.20 : x
  2. Step 2: Convert to fraction form
    1,179,887,920.60/1,771,847,420.10 = 772,749,002.20/x
  3. Step 3: Cross multiply
    1,179,887,920.60x = 1,771,847,420.10 × 772,749,002.20
  4. Step 4: Simplify right side
    1,179,887,920.60x = 1,369,193,325,932,919,296
  5. Step 5: Solve for x
    x = 1,369,193,325,932,919,296/1,179,887,920.60
  6. Step 6: Final answer
    x = 1,160,443,548.94

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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.