Home / 386,581,031.52-533,488,244.49-210,376,453.56

Finding the Fourth Proportional to 386,581,031.52, 533,488,244.49 and 210,376,453.56

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Solution

The fourth proportional to 386,581,031.52, 533,488,244.49 and 210,376,453.56 is: 290,323,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,581,031.52 : 533,488,244.49 = 210,376,453.56 : x
  2. Step 2: Convert to fraction form
    386,581,031.52/533,488,244.49 = 210,376,453.56/x
  3. Step 3: Cross multiply
    386,581,031.52x = 533,488,244.49 × 210,376,453.56
  4. Step 4: Simplify right side
    386,581,031.52x = 112,233,364,891,756,416
  5. Step 5: Solve for x
    x = 112,233,364,891,756,416/386,581,031.52
  6. Step 6: Final answer
    x = 290,323,000.20

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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.