Home / 725,527,331.75-1,088,178,815.86-265,357,890.47

Finding the Fourth Proportional to 725,527,331.75, 1,088,178,815.86 and 265,357,890.47

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Solution

The fourth proportional to 725,527,331.75, 1,088,178,815.86 and 265,357,890.47 is: 397,995,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,527,331.75 : 1,088,178,815.86 = 265,357,890.47 : x
  2. Step 2: Convert to fraction form
    725,527,331.75/1,088,178,815.86 = 265,357,890.47/x
  3. Step 3: Cross multiply
    725,527,331.75x = 1,088,178,815.86 × 265,357,890.47
  4. Step 4: Simplify right side
    725,527,331.75x = 288,756,835,030,752,128
  5. Step 5: Solve for x
    x = 288,756,835,030,752,128/725,527,331.75
  6. Step 6: Final answer
    x = 397,995,805.80

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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.