Home / 568,346,314.48-784,309,635.12-317,454,276.40

Finding the Fourth Proportional to 568,346,314.48, 784,309,635.12 and 317,454,276.40

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Solution

The fourth proportional to 568,346,314.48, 784,309,635.12 and 317,454,276.40 is: 438,082,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,346,314.48 : 784,309,635.12 = 317,454,276.40 : x
  2. Step 2: Convert to fraction form
    568,346,314.48/784,309,635.12 = 317,454,276.40/x
  3. Step 3: Cross multiply
    568,346,314.48x = 784,309,635.12 × 317,454,276.40
  4. Step 4: Simplify right side
    568,346,314.48x = 248,982,447,690,567,616
  5. Step 5: Solve for x
    x = 248,982,447,690,567,616/568,346,314.48
  6. Step 6: Final answer
    x = 438,082,277.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.