Home / 269,915,784,743.70-372,486,807,027.36-154,187,863,995.78

Finding the Fourth Proportional to 269,915,784,743.70, 372,486,807,027.36 and 154,187,863,995.78

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Solution

The fourth proportional to 269,915,784,743.70, 372,486,807,027.36 and 154,187,863,995.78 is: 212,780,979,803.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,915,784,743.70 : 372,486,807,027.36 = 154,187,863,995.78 : x
  2. Step 2: Convert to fraction form
    269,915,784,743.70/372,486,807,027.36 = 154,187,863,995.78/x
  3. Step 3: Cross multiply
    269,915,784,743.70x = 372,486,807,027.36 × 154,187,863,995.78
  4. Step 4: Simplify right side
    269,915,784,743.70x = 57,432,945,142,156,931,104,768
  5. Step 5: Solve for x
    x = 57,432,945,142,156,931,104,768/269,915,784,743.70
  6. Step 6: Final answer
    x = 212,780,979,803.36

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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.