Home / 838,561,030.90-1,257,841,546.35-256,294,150.90

Finding the Fourth Proportional to 838,561,030.90, 1,257,841,546.35 and 256,294,150.90

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Solution

The fourth proportional to 838,561,030.90, 1,257,841,546.35 and 256,294,150.90 is: 384,441,226.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,561,030.90 : 1,257,841,546.35 = 256,294,150.90 : x
  2. Step 2: Convert to fraction form
    838,561,030.90/1,257,841,546.35 = 256,294,150.90/x
  3. Step 3: Cross multiply
    838,561,030.90x = 1,257,841,546.35 × 256,294,150.90
  4. Step 4: Simplify right side
    838,561,030.90x = 322,377,431,088,516,224
  5. Step 5: Solve for x
    x = 322,377,431,088,516,224/838,561,030.90
  6. Step 6: Final answer
    x = 384,441,226.35

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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.