Home / 749,273,078,307.20-1,121,973,988,333.40-517,122,453,660.95

Finding the Fourth Proportional to 749,273,078,307.20, 1,121,973,988,333.40 and 517,122,453,660.95

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Solution

The fourth proportional to 749,273,078,307.20, 1,121,973,988,333.40 and 517,122,453,660.95 is: 774,347,775,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,273,078,307.20 : 1,121,973,988,333.40 = 517,122,453,660.95 : x
  2. Step 2: Convert to fraction form
    749,273,078,307.20/1,121,973,988,333.40 = 517,122,453,660.95/x
  3. Step 3: Cross multiply
    749,273,078,307.20x = 1,121,973,988,333.40 × 517,122,453,660.95
  4. Step 4: Simplify right side
    749,273,078,307.20x = 580,197,941,790,729,851,371,520
  5. Step 5: Solve for x
    x = 580,197,941,790,729,851,371,520/749,273,078,307.20
  6. Step 6: Final answer
    x = 774,347,775,982.48

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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.