Home / 541,627,597,345.99-747,401,655,982.65-318,863,080,109.65

Finding the Fourth Proportional to 541,627,597,345.99, 747,401,655,982.65 and 318,863,080,109.65

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Solution

The fourth proportional to 541,627,597,345.99, 747,401,655,982.65 and 318,863,080,109.65 is: 440,004,895,011.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,627,597,345.99 : 747,401,655,982.65 = 318,863,080,109.65 : x
  2. Step 2: Convert to fraction form
    541,627,597,345.99/747,401,655,982.65 = 318,863,080,109.65/x
  3. Step 3: Cross multiply
    541,627,597,345.99x = 747,401,655,982.65 × 318,863,080,109.65
  4. Step 4: Simplify right side
    541,627,597,345.99x = 238,318,794,105,680,813,883,392
  5. Step 5: Solve for x
    x = 238,318,794,105,680,813,883,392/541,627,597,345.99
  6. Step 6: Final answer
    x = 440,004,895,011.74

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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.