Home / 666,797,351.13-999,808,328.48-252,306,191.76

Finding the Fourth Proportional to 666,797,351.13, 999,808,328.48 and 252,306,191.76

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Solution

The fourth proportional to 666,797,351.13, 999,808,328.48 and 252,306,191.76 is: 378,312,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,797,351.13 : 999,808,328.48 = 252,306,191.76 : x
  2. Step 2: Convert to fraction form
    666,797,351.13/999,808,328.48 = 252,306,191.76/x
  3. Step 3: Cross multiply
    666,797,351.13x = 999,808,328.48 × 252,306,191.76
  4. Step 4: Simplify right side
    666,797,351.13x = 252,257,831,847,458,400
  5. Step 5: Solve for x
    x = 252,257,831,847,458,400/666,797,351.13
  6. Step 6: Final answer
    x = 378,312,588.40

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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.