Home / 579,207,500.80-868,811,251.20-170,304,985.60

Finding the Fourth Proportional to 579,207,500.80, 868,811,251.20 and 170,304,985.60

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Solution

The fourth proportional to 579,207,500.80, 868,811,251.20 and 170,304,985.60 is: 255,457,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,207,500.80 : 868,811,251.20 = 170,304,985.60 : x
  2. Step 2: Convert to fraction form
    579,207,500.80/868,811,251.20 = 170,304,985.60/x
  3. Step 3: Cross multiply
    579,207,500.80x = 868,811,251.20 × 170,304,985.60
  4. Step 4: Simplify right side
    579,207,500.80x = 147,962,887,624,733,984
  5. Step 5: Solve for x
    x = 147,962,887,624,733,984/579,207,500.80
  6. Step 6: Final answer
    x = 255,457,478.40

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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.