Home / 498,524,694.32-687,966,212.88-272,468,244.16

Finding the Fourth Proportional to 498,524,694.32, 687,966,212.88 and 272,468,244.16

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Solution

The fourth proportional to 498,524,694.32, 687,966,212.88 and 272,468,244.16 is: 376,007,343.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,524,694.32 : 687,966,212.88 = 272,468,244.16 : x
  2. Step 2: Convert to fraction form
    498,524,694.32/687,966,212.88 = 272,468,244.16/x
  3. Step 3: Cross multiply
    498,524,694.32x = 687,966,212.88 × 272,468,244.16
  4. Step 4: Simplify right side
    498,524,694.32x = 187,448,946,064,818,400
  5. Step 5: Solve for x
    x = 187,448,946,064,818,400/498,524,694.32
  6. Step 6: Final answer
    x = 376,007,343.67

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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.