Home / 485,336,601-726,849,307.53-309,916,273.95

Finding the Fourth Proportional to 485,336,601, 726,849,307.53 and 309,916,273.95

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Solution

The fourth proportional to 485,336,601, 726,849,307.53 and 309,916,273.95 is: 464,136,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,336,601 : 726,849,307.53 = 309,916,273.95 : x
  2. Step 2: Convert to fraction form
    485,336,601/726,849,307.53 = 309,916,273.95/x
  3. Step 3: Cross multiply
    485,336,601x = 726,849,307.53 × 309,916,273.95
  4. Step 4: Simplify right side
    485,336,601x = 225,262,429,112,835,264
  5. Step 5: Solve for x
    x = 225,262,429,112,835,264/485,336,601
  6. Step 6: Final answer
    x = 464,136,495.47

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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.