Home / 568,623,908.07-784,731,305.01-317,734,390.17

Finding the Fourth Proportional to 568,623,908.07, 784,731,305.01 and 317,734,390.17

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Solution

The fourth proportional to 568,623,908.07, 784,731,305.01 and 317,734,390.17 is: 438,490,396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,623,908.07 : 784,731,305.01 = 317,734,390.17 : x
  2. Step 2: Convert to fraction form
    568,623,908.07/784,731,305.01 = 317,734,390.17/x
  3. Step 3: Cross multiply
    568,623,908.07x = 784,731,305.01 × 317,734,390.17
  4. Step 4: Simplify right side
    568,623,908.07x = 249,336,122,644,660,640
  5. Step 5: Solve for x
    x = 249,336,122,644,660,640/568,623,908.07
  6. Step 6: Final answer
    x = 438,490,396.04

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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.