Home / 946,729,390.80-1,420,094,086.20-533,480,869.20

Finding the Fourth Proportional to 946,729,390.80, 1,420,094,086.20 and 533,480,869.20

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Solution

The fourth proportional to 946,729,390.80, 1,420,094,086.20 and 533,480,869.20 is: 800,221,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,729,390.80 : 1,420,094,086.20 = 533,480,869.20 : x
  2. Step 2: Convert to fraction form
    946,729,390.80/1,420,094,086.20 = 533,480,869.20/x
  3. Step 3: Cross multiply
    946,729,390.80x = 1,420,094,086.20 × 533,480,869.20
  4. Step 4: Simplify right side
    946,729,390.80x = 757,593,027,451,755,776
  5. Step 5: Solve for x
    x = 757,593,027,451,755,776/946,729,390.80
  6. Step 6: Final answer
    x = 800,221,303.80

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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.