Home / 727,189,027.20-1,090,936,922.40-235,864,139.04

Finding the Fourth Proportional to 727,189,027.20, 1,090,936,922.40 and 235,864,139.04

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Solution

The fourth proportional to 727,189,027.20, 1,090,936,922.40 and 235,864,139.04 is: 353,845,957.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,189,027.20 : 1,090,936,922.40 = 235,864,139.04 : x
  2. Step 2: Convert to fraction form
    727,189,027.20/1,090,936,922.40 = 235,864,139.04/x
  3. Step 3: Cross multiply
    727,189,027.20x = 1,090,936,922.40 × 235,864,139.04
  4. Step 4: Simplify right side
    727,189,027.20x = 257,312,897,948,823,296
  5. Step 5: Solve for x
    x = 257,312,897,948,823,296/727,189,027.20
  6. Step 6: Final answer
    x = 353,845,957.96

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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.