Home / 656,148,060.36-984,058,273.30-257,387,679.16

Finding the Fourth Proportional to 656,148,060.36, 984,058,273.30 and 257,387,679.16

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Solution

The fourth proportional to 656,148,060.36, 984,058,273.30 and 257,387,679.16 is: 386,017,258.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,148,060.36 : 984,058,273.30 = 257,387,679.16 : x
  2. Step 2: Convert to fraction form
    656,148,060.36/984,058,273.30 = 257,387,679.16/x
  3. Step 3: Cross multiply
    656,148,060.36x = 984,058,273.30 × 257,387,679.16
  4. Step 4: Simplify right side
    656,148,060.36x = 253,284,475,122,883,968
  5. Step 5: Solve for x
    x = 253,284,475,122,883,968/656,148,060.36
  6. Step 6: Final answer
    x = 386,017,258.03

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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.