Home / 261,301,923,606.89-360,548,785,604.04-145,555,802,810.63

Finding the Fourth Proportional to 261,301,923,606.89, 360,548,785,604.04 and 145,555,802,810.63

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Solution

The fourth proportional to 261,301,923,606.89, 360,548,785,604.04 and 145,555,802,810.63 is: 200,840,342,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,301,923,606.89 : 360,548,785,604.04 = 145,555,802,810.63 : x
  2. Step 2: Convert to fraction form
    261,301,923,606.89/360,548,785,604.04 = 145,555,802,810.63/x
  3. Step 3: Cross multiply
    261,301,923,606.89x = 360,548,785,604.04 × 145,555,802,810.63
  4. Step 4: Simplify right side
    261,301,923,606.89x = 52,479,967,940,993,756,430,336
  5. Step 5: Solve for x
    x = 52,479,967,940,993,756,430,336/261,301,923,606.89
  6. Step 6: Final answer
    x = 200,840,342,912.85

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1.5x scale

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.