Home / 535,960,117.20-739,630,163.16-309,882,126.45

Finding the Fourth Proportional to 535,960,117.20, 739,630,163.16 and 309,882,126.45

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Solution

The fourth proportional to 535,960,117.20, 739,630,163.16 and 309,882,126.45 is: 427,640,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,960,117.20 : 739,630,163.16 = 309,882,126.45 : x
  2. Step 2: Convert to fraction form
    535,960,117.20/739,630,163.16 = 309,882,126.45/x
  3. Step 3: Cross multiply
    535,960,117.20x = 739,630,163.16 × 309,882,126.45
  4. Step 4: Simplify right side
    535,960,117.20x = 229,198,167,746,581,248
  5. Step 5: Solve for x
    x = 229,198,167,746,581,248/535,960,117.20
  6. Step 6: Final answer
    x = 427,640,341.87

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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.