Home / 725,527,332.75-1,088,178,817.36-265,357,891.47

Finding the Fourth Proportional to 725,527,332.75, 1,088,178,817.36 and 265,357,891.47

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Solution

The fourth proportional to 725,527,332.75, 1,088,178,817.36 and 265,357,891.47 is: 397,995,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,527,332.75 : 1,088,178,817.36 = 265,357,891.47 : x
  2. Step 2: Convert to fraction form
    725,527,332.75/1,088,178,817.36 = 265,357,891.47/x
  3. Step 3: Cross multiply
    725,527,332.75x = 1,088,178,817.36 × 265,357,891.47
  4. Step 4: Simplify right side
    725,527,332.75x = 288,756,836,516,967,808
  5. Step 5: Solve for x
    x = 288,756,836,516,967,808/725,527,332.75
  6. Step 6: Final answer
    x = 397,995,807.30

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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.