Home / 666,797,356.88-999,808,337.10-252,306,197.50

Finding the Fourth Proportional to 666,797,356.88, 999,808,337.10 and 252,306,197.50

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Solution

The fourth proportional to 666,797,356.88, 999,808,337.10 and 252,306,197.50 is: 378,312,597.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,797,356.88 : 999,808,337.10 = 252,306,197.50 : x
  2. Step 2: Convert to fraction form
    666,797,356.88/999,808,337.10 = 252,306,197.50/x
  3. Step 3: Cross multiply
    666,797,356.88x = 999,808,337.10 × 252,306,197.50
  4. Step 4: Simplify right side
    666,797,356.88x = 252,257,839,762,499,168
  5. Step 5: Solve for x
    x = 252,257,839,762,499,168/666,797,356.88
  6. Step 6: Final answer
    x = 378,312,597.01

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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.