Home / 772,689,634.30-1,159,090,438.65-465,319,906.30

Finding the Fourth Proportional to 772,689,634.30, 1,159,090,438.65 and 465,319,906.30

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Solution

The fourth proportional to 772,689,634.30, 1,159,090,438.65 and 465,319,906.30 is: 698,013,575.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,689,634.30 : 1,159,090,438.65 = 465,319,906.30 : x
  2. Step 2: Convert to fraction form
    772,689,634.30/1,159,090,438.65 = 465,319,906.30/x
  3. Step 3: Cross multiply
    772,689,634.30x = 1,159,090,438.65 × 465,319,906.30
  4. Step 4: Simplify right side
    772,689,634.30x = 539,347,854,305,843,968
  5. Step 5: Solve for x
    x = 539,347,854,305,843,968/772,689,634.30
  6. Step 6: Final answer
    x = 698,013,575.39

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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.