Home / 838,821,851.06-1,258,030,923.78-256,561,123.82

Finding the Fourth Proportional to 838,821,851.06, 1,258,030,923.78 and 256,561,123.82

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Solution

The fourth proportional to 838,821,851.06, 1,258,030,923.78 and 256,561,123.82 is: 384,779,947.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,821,851.06 : 1,258,030,923.78 = 256,561,123.82 : x
  2. Step 2: Convert to fraction form
    838,821,851.06/1,258,030,923.78 = 256,561,123.82/x
  3. Step 3: Cross multiply
    838,821,851.06x = 1,258,030,923.78 × 256,561,123.82
  4. Step 4: Simplify right side
    838,821,851.06x = 322,761,827,605,309,568
  5. Step 5: Solve for x
    x = 322,761,827,605,309,568/838,821,851.06
  6. Step 6: Final answer
    x = 384,779,947.25

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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.