Home / 256,608,002.70-384,912,004.05-154,571,330.70

Finding the Fourth Proportional to 256,608,002.70, 384,912,004.05 and 154,571,330.70

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Solution

The fourth proportional to 256,608,002.70, 384,912,004.05 and 154,571,330.70 is: 231,856,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,608,002.70 : 384,912,004.05 = 154,571,330.70 : x
  2. Step 2: Convert to fraction form
    256,608,002.70/384,912,004.05 = 154,571,330.70/x
  3. Step 3: Cross multiply
    256,608,002.70x = 384,912,004.05 × 154,571,330.70
  4. Step 4: Simplify right side
    256,608,002.70x = 59,496,360,668,412,288
  5. Step 5: Solve for x
    x = 59,496,360,668,412,288/256,608,002.70
  6. Step 6: Final answer
    x = 231,856,996.05

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1.5x scale

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.