Home / 389,022,732.17-536,849,765.22-210,406,819.95

Finding the Fourth Proportional to 389,022,732.17, 536,849,765.22 and 210,406,819.95

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Solution

The fourth proportional to 389,022,732.17, 536,849,765.22 and 210,406,819.95 is: 290,360,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,022,732.17 : 536,849,765.22 = 210,406,819.95 : x
  2. Step 2: Convert to fraction form
    389,022,732.17/536,849,765.22 = 210,406,819.95/x
  3. Step 3: Cross multiply
    389,022,732.17x = 536,849,765.22 × 210,406,819.95
  4. Step 4: Simplify right side
    389,022,732.17x = 112,956,851,890,844,304
  5. Step 5: Solve for x
    x = 112,956,851,890,844,304/389,022,732.17
  6. Step 6: Final answer
    x = 290,360,543.36

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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.