Home / 725,504,485.95-1,088,256,728.93-434,221,673.85

Finding the Fourth Proportional to 725,504,485.95, 1,088,256,728.93 and 434,221,673.85

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Solution

The fourth proportional to 725,504,485.95, 1,088,256,728.93 and 434,221,673.85 is: 651,332,510.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,504,485.95 : 1,088,256,728.93 = 434,221,673.85 : x
  2. Step 2: Convert to fraction form
    725,504,485.95/1,088,256,728.93 = 434,221,673.85/x
  3. Step 3: Cross multiply
    725,504,485.95x = 1,088,256,728.93 × 434,221,673.85
  4. Step 4: Simplify right side
    725,504,485.95x = 472,544,658,412,339,200
  5. Step 5: Solve for x
    x = 472,544,658,412,339,200/725,504,485.95
  6. Step 6: Final answer
    x = 651,332,510.78

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Double scale
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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.