Home / 425,894,680.72-587,736,430.50-230,324,392.72

Finding the Fourth Proportional to 425,894,680.72, 587,736,430.50 and 230,324,392.72

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Solution

The fourth proportional to 425,894,680.72, 587,736,430.50 and 230,324,392.72 is: 317,848,619.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,894,680.72 : 587,736,430.50 = 230,324,392.72 : x
  2. Step 2: Convert to fraction form
    425,894,680.72/587,736,430.50 = 230,324,392.72/x
  3. Step 3: Cross multiply
    425,894,680.72x = 587,736,430.50 × 230,324,392.72
  4. Step 4: Simplify right side
    425,894,680.72x = 135,370,036,434,332,992
  5. Step 5: Solve for x
    x = 135,370,036,434,332,992/425,894,680.72
  6. Step 6: Final answer
    x = 317,848,619.77

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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.