Home / 1,719,351,612.28-2,579,025,842.90-538,940,582.20

Finding the Fourth Proportional to 1,719,351,612.28, 2,579,025,842.90 and 538,940,582.20

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Solution

The fourth proportional to 1,719,351,612.28, 2,579,025,842.90 and 538,940,582.20 is: 808,410,379.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,351,612.28 : 2,579,025,842.90 = 538,940,582.20 : x
  2. Step 2: Convert to fraction form
    1,719,351,612.28/2,579,025,842.90 = 538,940,582.20/x
  3. Step 3: Cross multiply
    1,719,351,612.28x = 2,579,025,842.90 × 538,940,582.20
  4. Step 4: Simplify right side
    1,719,351,612.28x = 1,389,941,689,281,371,904
  5. Step 5: Solve for x
    x = 1,389,941,689,281,371,904/1,719,351,612.28
  6. Step 6: Final answer
    x = 808,410,379.44

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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.