Home / 526,760,740.46-726,895,731.39-288,605,598.52

Finding the Fourth Proportional to 526,760,740.46, 726,895,731.39 and 288,605,598.52

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Solution

The fourth proportional to 526,760,740.46, 726,895,731.39 and 288,605,598.52 is: 398,257,048.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,760,740.46 : 726,895,731.39 = 288,605,598.52 : x
  2. Step 2: Convert to fraction form
    526,760,740.46/726,895,731.39 = 288,605,598.52/x
  3. Step 3: Cross multiply
    526,760,740.46x = 726,895,731.39 × 288,605,598.52
  4. Step 4: Simplify right side
    526,760,740.46x = 209,786,177,619,444,096
  5. Step 5: Solve for x
    x = 209,786,177,619,444,096/526,760,740.46
  6. Step 6: Final answer
    x = 398,257,048.23

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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.