Home / 806,532,614.88-1,209,928,207.09-340,262,719.69

Finding the Fourth Proportional to 806,532,614.88, 1,209,928,207.09 and 340,262,719.69

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Solution

The fourth proportional to 806,532,614.88, 1,209,928,207.09 and 340,262,719.69 is: 510,448,622.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,532,614.88 : 1,209,928,207.09 = 340,262,719.69 : x
  2. Step 2: Convert to fraction form
    806,532,614.88/1,209,928,207.09 = 340,262,719.69/x
  3. Step 3: Cross multiply
    806,532,614.88x = 1,209,928,207.09 × 340,262,719.69
  4. Step 4: Simplify right side
    806,532,614.88x = 411,693,462,376,522,432
  5. Step 5: Solve for x
    x = 411,693,462,376,522,432/806,532,614.88
  6. Step 6: Final answer
    x = 510,448,622.64

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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.