Home / 839,811,070.80-1,259,716,606.20-576,783,205.20

Finding the Fourth Proportional to 839,811,070.80, 1,259,716,606.20 and 576,783,205.20

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Solution

The fourth proportional to 839,811,070.80, 1,259,716,606.20 and 576,783,205.20 is: 865,174,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,811,070.80 : 1,259,716,606.20 = 576,783,205.20 : x
  2. Step 2: Convert to fraction form
    839,811,070.80/1,259,716,606.20 = 576,783,205.20/x
  3. Step 3: Cross multiply
    839,811,070.80x = 1,259,716,606.20 × 576,783,205.20
  4. Step 4: Simplify right side
    839,811,070.80x = 726,583,381,767,702,272
  5. Step 5: Solve for x
    x = 726,583,381,767,702,272/839,811,070.80
  6. Step 6: Final answer
    x = 865,174,807.80

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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.