Home / 572,058,769.20-858,088,153.80-189,106,321.20

Finding the Fourth Proportional to 572,058,769.20, 858,088,153.80 and 189,106,321.20

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Solution

The fourth proportional to 572,058,769.20, 858,088,153.80 and 189,106,321.20 is: 283,659,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,058,769.20 : 858,088,153.80 = 189,106,321.20 : x
  2. Step 2: Convert to fraction form
    572,058,769.20/858,088,153.80 = 189,106,321.20/x
  3. Step 3: Cross multiply
    572,058,769.20x = 858,088,153.80 × 189,106,321.20
  4. Step 4: Simplify right side
    572,058,769.20x = 162,269,894,030,417,792
  5. Step 5: Solve for x
    x = 162,269,894,030,417,792/572,058,769.20
  6. Step 6: Final answer
    x = 283,659,481.80

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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.