Home / 385,746,130.28-532,329,255.24-209,534,265.56

Finding the Fourth Proportional to 385,746,130.28, 532,329,255.24 and 209,534,265.56

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Solution

The fourth proportional to 385,746,130.28, 532,329,255.24 and 209,534,265.56 is: 289,157,066.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,746,130.28 : 532,329,255.24 = 209,534,265.56 : x
  2. Step 2: Convert to fraction form
    385,746,130.28/532,329,255.24 = 209,534,265.56/x
  3. Step 3: Cross multiply
    385,746,130.28x = 532,329,255.24 × 209,534,265.56
  4. Step 4: Simplify right side
    385,746,130.28x = 111,541,219,532,815,184
  5. Step 5: Solve for x
    x = 111,541,219,532,815,184/385,746,130.28
  6. Step 6: Final answer
    x = 289,157,066.73

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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.