Home / 1,410,960,289.77-2,116,522,808.01-428,418,882.95

Finding the Fourth Proportional to 1,410,960,289.77, 2,116,522,808.01 and 428,418,882.95

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Solution

The fourth proportional to 1,410,960,289.77, 2,116,522,808.01 and 428,418,882.95 is: 642,653,335.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,960,289.77 : 2,116,522,808.01 = 428,418,882.95 : x
  2. Step 2: Convert to fraction form
    1,410,960,289.77/2,116,522,808.01 = 428,418,882.95/x
  3. Step 3: Cross multiply
    1,410,960,289.77x = 2,116,522,808.01 × 428,418,882.95
  4. Step 4: Simplify right side
    1,410,960,289.77x = 906,758,337,135,258,880
  5. Step 5: Solve for x
    x = 906,758,337,135,258,880/1,410,960,289.77
  6. Step 6: Final answer
    x = 642,653,335.97

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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.