Home / 647,264,959.65-893,171,634.17-364,991,581.53

Finding the Fourth Proportional to 647,264,959.65, 893,171,634.17 and 364,991,581.53

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Solution

The fourth proportional to 647,264,959.65, 893,171,634.17 and 364,991,581.53 is: 503,657,926.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,264,959.65 : 893,171,634.17 = 364,991,581.53 : x
  2. Step 2: Convert to fraction form
    647,264,959.65/893,171,634.17 = 364,991,581.53/x
  3. Step 3: Cross multiply
    647,264,959.65x = 893,171,634.17 × 364,991,581.53
  4. Step 4: Simplify right side
    647,264,959.65x = 326,000,127,331,617,920
  5. Step 5: Solve for x
    x = 326,000,127,331,617,920/647,264,959.65
  6. Step 6: Final answer
    x = 503,657,926.28

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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.