Home / 262,080,086.60-393,120,129.90-258,678,864.20

Finding the Fourth Proportional to 262,080,086.60, 393,120,129.90 and 258,678,864.20

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Solution

The fourth proportional to 262,080,086.60, 393,120,129.90 and 258,678,864.20 is: 388,018,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,080,086.60 : 393,120,129.90 = 258,678,864.20 : x
  2. Step 2: Convert to fraction form
    262,080,086.60/393,120,129.90 = 258,678,864.20/x
  3. Step 3: Cross multiply
    262,080,086.60x = 393,120,129.90 × 258,678,864.20
  4. Step 4: Simplify right side
    262,080,086.60x = 101,691,868,696,688,448
  5. Step 5: Solve for x
    x = 101,691,868,696,688,448/262,080,086.60
  6. Step 6: Final answer
    x = 388,018,296.30

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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.