Home / 839,808,730.80-1,259,713,096.20-477,011,674.80

Finding the Fourth Proportional to 839,808,730.80, 1,259,713,096.20 and 477,011,674.80

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Solution

The fourth proportional to 839,808,730.80, 1,259,713,096.20 and 477,011,674.80 is: 715,517,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,730.80 : 1,259,713,096.20 = 477,011,674.80 : x
  2. Step 2: Convert to fraction form
    839,808,730.80/1,259,713,096.20 = 477,011,674.80/x
  3. Step 3: Cross multiply
    839,808,730.80x = 1,259,713,096.20 × 477,011,674.80
  4. Step 4: Simplify right side
    839,808,730.80x = 600,897,853,785,855,616
  5. Step 5: Solve for x
    x = 600,897,853,785,855,616/839,808,730.80
  6. Step 6: Final answer
    x = 715,517,512.20

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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.