Home / 442,579,166.94-663,859,634.72-147,495,712.43

Finding the Fourth Proportional to 442,579,166.94, 663,859,634.72 and 147,495,712.43

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Solution

The fourth proportional to 442,579,166.94, 663,859,634.72 and 147,495,712.43 is: 221,240,530.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,579,166.94 : 663,859,634.72 = 147,495,712.43 : x
  2. Step 2: Convert to fraction form
    442,579,166.94/663,859,634.72 = 147,495,712.43/x
  3. Step 3: Cross multiply
    442,579,166.94x = 663,859,634.72 × 147,495,712.43
  4. Step 4: Simplify right side
    442,579,166.94x = 97,916,449,772,489,200
  5. Step 5: Solve for x
    x = 97,916,449,772,489,200/442,579,166.94
  6. Step 6: Final answer
    x = 221,240,530.70

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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.