Home / 908,091,373.54-1,253,166,085.20-490,403,658.83

Finding the Fourth Proportional to 908,091,373.54, 1,253,166,085.20 and 490,403,658.83

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Solution

The fourth proportional to 908,091,373.54, 1,253,166,085.20 and 490,403,658.83 is: 676,757,043.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,091,373.54 : 1,253,166,085.20 = 490,403,658.83 : x
  2. Step 2: Convert to fraction form
    908,091,373.54/1,253,166,085.20 = 490,403,658.83/x
  3. Step 3: Cross multiply
    908,091,373.54x = 1,253,166,085.20 × 490,403,658.83
  4. Step 4: Simplify right side
    908,091,373.54x = 614,557,233,309,346,048
  5. Step 5: Solve for x
    x = 614,557,233,309,346,048/908,091,373.54
  6. Step 6: Final answer
    x = 676,757,043.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.