Home / 542,460,570.30-748,586,769.03-294,948,157.50

Finding the Fourth Proportional to 542,460,570.30, 748,586,769.03 and 294,948,157.50

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Solution

The fourth proportional to 542,460,570.30, 748,586,769.03 and 294,948,157.50 is: 407,023,662.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,460,570.30 : 748,586,769.03 = 294,948,157.50 : x
  2. Step 2: Convert to fraction form
    542,460,570.30/748,586,769.03 = 294,948,157.50/x
  3. Step 3: Cross multiply
    542,460,570.30x = 748,586,769.03 × 294,948,157.50
  4. Step 4: Simplify right side
    542,460,570.30x = 220,794,288,254,276,544
  5. Step 5: Solve for x
    x = 220,794,288,254,276,544/542,460,570.30
  6. Step 6: Final answer
    x = 407,023,662.81

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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.