Home / 262,857,142-393,478,578.78-165,356,332.30

Finding the Fourth Proportional to 262,857,142, 393,478,578.78 and 165,356,332.30

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Solution

The fourth proportional to 262,857,142, 393,478,578.78 and 165,356,332.30 is: 247,526,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,857,142 : 393,478,578.78 = 165,356,332.30 : x
  2. Step 2: Convert to fraction form
    262,857,142/393,478,578.78 = 165,356,332.30/x
  3. Step 3: Cross multiply
    262,857,142x = 393,478,578.78 × 165,356,332.30
  4. Step 4: Simplify right side
    262,857,142x = 65,064,174,625,677,408
  5. Step 5: Solve for x
    x = 65,064,174,625,677,408/262,857,142
  6. Step 6: Final answer
    x = 247,526,752.10

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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.