Home / 256,223,999.10-384,335,998.65-244,319,720.70

Finding the Fourth Proportional to 256,223,999.10, 384,335,998.65 and 244,319,720.70

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Solution

The fourth proportional to 256,223,999.10, 384,335,998.65 and 244,319,720.70 is: 366,479,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,223,999.10 : 384,335,998.65 = 244,319,720.70 : x
  2. Step 2: Convert to fraction form
    256,223,999.10/384,335,998.65 = 244,319,720.70/x
  3. Step 3: Cross multiply
    256,223,999.10x = 384,335,998.65 × 244,319,720.70
  4. Step 4: Simplify right side
    256,223,999.10x = 93,900,863,845,123,568
  5. Step 5: Solve for x
    x = 93,900,863,845,123,568/256,223,999.10
  6. Step 6: Final answer
    x = 366,479,581.05

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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.