Home / 720,190,470.42-1,080,285,718.59-174,928,330.26

Finding the Fourth Proportional to 720,190,470.42, 1,080,285,718.59 and 174,928,330.26

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Solution

The fourth proportional to 720,190,470.42, 1,080,285,718.59 and 174,928,330.26 is: 262,392,498.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,190,470.42 : 1,080,285,718.59 = 174,928,330.26 : x
  2. Step 2: Convert to fraction form
    720,190,470.42/1,080,285,718.59 = 174,928,330.26/x
  3. Step 3: Cross multiply
    720,190,470.42x = 1,080,285,718.59 × 174,928,330.26
  4. Step 4: Simplify right side
    720,190,470.42x = 188,972,576,956,672,928
  5. Step 5: Solve for x
    x = 188,972,576,956,672,928/720,190,470.42
  6. Step 6: Final answer
    x = 262,392,498.54

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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.