Home / 720,254,436.59-993,646,764.43-482,176,326.02

Finding the Fourth Proportional to 720,254,436.59, 993,646,764.43 and 482,176,326.02

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Solution

The fourth proportional to 720,254,436.59, 993,646,764.43 and 482,176,326.02 is: 665,199,576.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,254,436.59 : 993,646,764.43 = 482,176,326.02 : x
  2. Step 2: Convert to fraction form
    720,254,436.59/993,646,764.43 = 482,176,326.02/x
  3. Step 3: Cross multiply
    720,254,436.59x = 993,646,764.43 × 482,176,326.02
  4. Step 4: Simplify right side
    720,254,436.59x = 479,112,946,234,517,760
  5. Step 5: Solve for x
    x = 479,112,946,234,517,760/720,254,436.59
  6. Step 6: Final answer
    x = 665,199,576.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.