Home / 852,704,981.43-1,279,179,483.36-262,545,154.83

Finding the Fourth Proportional to 852,704,981.43, 1,279,179,483.36 and 262,545,154.83

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Solution

The fourth proportional to 852,704,981.43, 1,279,179,483.36 and 262,545,154.83 is: 393,855,299.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,704,981.43 : 1,279,179,483.36 = 262,545,154.83 : x
  2. Step 2: Convert to fraction form
    852,704,981.43/1,279,179,483.36 = 262,545,154.83/x
  3. Step 3: Cross multiply
    852,704,981.43x = 1,279,179,483.36 × 262,545,154.83
  4. Step 4: Simplify right side
    852,704,981.43x = 335,842,375,514,110,592
  5. Step 5: Solve for x
    x = 335,842,375,514,110,592/852,704,981.43
  6. Step 6: Final answer
    x = 393,855,299.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.