Home / 389,049,230.66-536,829,332.76-221,800,024.04

Finding the Fourth Proportional to 389,049,230.66, 536,829,332.76 and 221,800,024.04

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Solution

The fourth proportional to 389,049,230.66, 536,829,332.76 and 221,800,024.04 is: 306,050,621.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,049,230.66 : 536,829,332.76 = 221,800,024.04 : x
  2. Step 2: Convert to fraction form
    389,049,230.66/536,829,332.76 = 221,800,024.04/x
  3. Step 3: Cross multiply
    389,049,230.66x = 536,829,332.76 × 221,800,024.04
  4. Step 4: Simplify right side
    389,049,230.66x = 119,068,758,908,861,008
  5. Step 5: Solve for x
    x = 119,068,758,908,861,008/389,049,230.66
  6. Step 6: Final answer
    x = 306,050,621.69

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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.