Home / 839,811,074.80-1,259,716,612.20-576,783,209.20

Finding the Fourth Proportional to 839,811,074.80, 1,259,716,612.20 and 576,783,209.20

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Solution

The fourth proportional to 839,811,074.80, 1,259,716,612.20 and 576,783,209.20 is: 865,174,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,811,074.80 : 1,259,716,612.20 = 576,783,209.20 : x
  2. Step 2: Convert to fraction form
    839,811,074.80/1,259,716,612.20 = 576,783,209.20/x
  3. Step 3: Cross multiply
    839,811,074.80x = 1,259,716,612.20 × 576,783,209.20
  4. Step 4: Simplify right side
    839,811,074.80x = 726,583,390,267,267,968
  5. Step 5: Solve for x
    x = 726,583,390,267,267,968/839,811,074.80
  6. Step 6: Final answer
    x = 865,174,813.80

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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.