Home / 661,117,930,562.45-991,215,832,250.20-292,930,368,650.51

Finding the Fourth Proportional to 661,117,930,562.45, 991,215,832,250.20 and 292,930,368,650.51

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Solution

The fourth proportional to 661,117,930,562.45, 991,215,832,250.20 and 292,930,368,650.51 is: 439,191,263,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,117,930,562.45 : 991,215,832,250.20 = 292,930,368,650.51 : x
  2. Step 2: Convert to fraction form
    661,117,930,562.45/991,215,832,250.20 = 292,930,368,650.51/x
  3. Step 3: Cross multiply
    661,117,930,562.45x = 991,215,832,250.20 × 292,930,368,650.51
  4. Step 4: Simplify right side
    661,117,930,562.45x = 290,357,219,153,273,163,874,304
  5. Step 5: Solve for x
    x = 290,357,219,153,273,163,874,304/661,117,930,562.45
  6. Step 6: Final answer
    x = 439,191,263,359.40

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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.