Home / 718,139,306.52-1,077,520,038.60-385,758,481.50

Finding the Fourth Proportional to 718,139,306.52, 1,077,520,038.60 and 385,758,481.50

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Solution

The fourth proportional to 718,139,306.52, 1,077,520,038.60 and 385,758,481.50 is: 578,804,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,139,306.52 : 1,077,520,038.60 = 385,758,481.50 : x
  2. Step 2: Convert to fraction form
    718,139,306.52/1,077,520,038.60 = 385,758,481.50/x
  3. Step 3: Cross multiply
    718,139,306.52x = 1,077,520,038.60 × 385,758,481.50
  4. Step 4: Simplify right side
    718,139,306.52x = 415,662,493,876,157,376
  5. Step 5: Solve for x
    x = 415,662,493,876,157,376/718,139,306.52
  6. Step 6: Final answer
    x = 578,804,822.55

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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.