Home / 839,811,020.20-1,259,716,530.30-703,762,124.20

Finding the Fourth Proportional to 839,811,020.20, 1,259,716,530.30 and 703,762,124.20

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Solution

The fourth proportional to 839,811,020.20, 1,259,716,530.30 and 703,762,124.20 is: 1,055,643,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,811,020.20 : 1,259,716,530.30 = 703,762,124.20 : x
  2. Step 2: Convert to fraction form
    839,811,020.20/1,259,716,530.30 = 703,762,124.20/x
  3. Step 3: Cross multiply
    839,811,020.20x = 1,259,716,530.30 × 703,762,124.20
  4. Step 4: Simplify right side
    839,811,020.20x = 886,540,781,253,781,632
  5. Step 5: Solve for x
    x = 886,540,781,253,781,632/839,811,020.20
  6. Step 6: Final answer
    x = 1,055,643,186.30

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Double scale
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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.