Home / 361,908,443,867.15-499,456,334,332.27-199,328,057,444.29

Finding the Fourth Proportional to 361,908,443,867.15, 499,456,334,332.27 and 199,328,057,444.29

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Solution

The fourth proportional to 361,908,443,867.15, 499,456,334,332.27 and 199,328,057,444.29 is: 275,085,211,709.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,908,443,867.15 : 499,456,334,332.27 = 199,328,057,444.29 : x
  2. Step 2: Convert to fraction form
    361,908,443,867.15/499,456,334,332.27 = 199,328,057,444.29/x
  3. Step 3: Cross multiply
    361,908,443,867.15x = 499,456,334,332.27 × 199,328,057,444.29
  4. Step 4: Simplify right side
    361,908,443,867.15x = 99,555,660,900,697,232,113,664
  5. Step 5: Solve for x
    x = 99,555,660,900,697,232,113,664/361,908,443,867.15
  6. Step 6: Final answer
    x = 275,085,211,709.63

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1.5x scale

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.