Home / 588,639,622,691.88-812,473,819,919.10-383,385,337,240.20

Finding the Fourth Proportional to 588,639,622,691.88, 812,473,819,919.10 and 383,385,337,240.20

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Solution

The fourth proportional to 588,639,622,691.88, 812,473,819,919.10 and 383,385,337,240.20 is: 529,170,204,384.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,639,622,691.88 : 812,473,819,919.10 = 383,385,337,240.20 : x
  2. Step 2: Convert to fraction form
    588,639,622,691.88/812,473,819,919.10 = 383,385,337,240.20/x
  3. Step 3: Cross multiply
    588,639,622,691.88x = 812,473,819,919.10 × 383,385,337,240.20
  4. Step 4: Simplify right side
    588,639,622,691.88x = 311,490,549,448,517,672,239,104
  5. Step 5: Solve for x
    x = 311,490,549,448,517,672,239,104/588,639,622,691.88
  6. Step 6: Final answer
    x = 529,170,204,384.23

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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.