Home / 322,998,763,406.80-484,498,145,110.20-217,207,141,877.20

Finding the Fourth Proportional to 322,998,763,406.80, 484,498,145,110.20 and 217,207,141,877.20

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Solution

The fourth proportional to 322,998,763,406.80, 484,498,145,110.20 and 217,207,141,877.20 is: 325,810,712,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,998,763,406.80 : 484,498,145,110.20 = 217,207,141,877.20 : x
  2. Step 2: Convert to fraction form
    322,998,763,406.80/484,498,145,110.20 = 217,207,141,877.20/x
  3. Step 3: Cross multiply
    322,998,763,406.80x = 484,498,145,110.20 × 217,207,141,877.20
  4. Step 4: Simplify right side
    322,998,763,406.80x = 105,236,457,344,191,445,336,064
  5. Step 5: Solve for x
    x = 105,236,457,344,191,445,336,064/322,998,763,406.80
  6. Step 6: Final answer
    x = 325,810,712,815.80

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1.5x scale

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.