Home / 1,073,736,487.89-1,481,733,128.66-621,633,520.74

Finding the Fourth Proportional to 1,073,736,487.89, 1,481,733,128.66 and 621,633,520.74

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Solution

The fourth proportional to 1,073,736,487.89, 1,481,733,128.66 and 621,633,520.74 is: 857,840,812.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,736,487.89 : 1,481,733,128.66 = 621,633,520.74 : x
  2. Step 2: Convert to fraction form
    1,073,736,487.89/1,481,733,128.66 = 621,633,520.74/x
  3. Step 3: Cross multiply
    1,073,736,487.89x = 1,481,733,128.66 × 621,633,520.74
  4. Step 4: Simplify right side
    1,073,736,487.89x = 921,094,981,566,011,264
  5. Step 5: Solve for x
    x = 921,094,981,566,011,264/1,073,736,487.89
  6. Step 6: Final answer
    x = 857,840,812.86

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Double scale
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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.