Home / 839,808,218.30-1,259,712,327.45-622,129,984.70

Finding the Fourth Proportional to 839,808,218.30, 1,259,712,327.45 and 622,129,984.70

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Solution

The fourth proportional to 839,808,218.30, 1,259,712,327.45 and 622,129,984.70 is: 933,194,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,218.30 : 1,259,712,327.45 = 622,129,984.70 : x
  2. Step 2: Convert to fraction form
    839,808,218.30/1,259,712,327.45 = 622,129,984.70/x
  3. Step 3: Cross multiply
    839,808,218.30x = 1,259,712,327.45 × 622,129,984.70
  4. Step 4: Simplify right side
    839,808,218.30x = 783,704,811,002,870,016
  5. Step 5: Solve for x
    x = 783,704,811,002,870,016/839,808,218.30
  6. Step 6: Final answer
    x = 933,194,977.05

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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.