Home / 911,088,044.20-1,366,632,066.30-419,800,364.20

Finding the Fourth Proportional to 911,088,044.20, 1,366,632,066.30 and 419,800,364.20

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Solution

The fourth proportional to 911,088,044.20, 1,366,632,066.30 and 419,800,364.20 is: 629,700,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,088,044.20 : 1,366,632,066.30 = 419,800,364.20 : x
  2. Step 2: Convert to fraction form
    911,088,044.20/1,366,632,066.30 = 419,800,364.20/x
  3. Step 3: Cross multiply
    911,088,044.20x = 1,366,632,066.30 × 419,800,364.20
  4. Step 4: Simplify right side
    911,088,044.20x = 573,712,639,160,138,496
  5. Step 5: Solve for x
    x = 573,712,639,160,138,496/911,088,044.20
  6. Step 6: Final answer
    x = 629,700,546.30

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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.