Home / 1,108,266,519.30-1,662,658,486.47-321,336,632.58

Finding the Fourth Proportional to 1,108,266,519.30, 1,662,658,486.47 and 321,336,632.58

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Solution

The fourth proportional to 1,108,266,519.30, 1,662,658,486.47 and 321,336,632.58 is: 482,079,959.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,266,519.30 : 1,662,658,486.47 = 321,336,632.58 : x
  2. Step 2: Convert to fraction form
    1,108,266,519.30/1,662,658,486.47 = 321,336,632.58/x
  3. Step 3: Cross multiply
    1,108,266,519.30x = 1,662,658,486.47 × 321,336,632.58
  4. Step 4: Simplify right side
    1,108,266,519.30x = 534,273,079,172,829,248
  5. Step 5: Solve for x
    x = 534,273,079,172,829,248/1,108,266,519.30
  6. Step 6: Final answer
    x = 482,079,959.89

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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.