Home / 798,421,026.79-1,101,820,951.69-445,997,014.30

Finding the Fourth Proportional to 798,421,026.79, 1,101,820,951.69 and 445,997,014.30

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Solution

The fourth proportional to 798,421,026.79, 1,101,820,951.69 and 445,997,014.30 is: 615,475,843.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,421,026.79 : 1,101,820,951.69 = 445,997,014.30 : x
  2. Step 2: Convert to fraction form
    798,421,026.79/1,101,820,951.69 = 445,997,014.30/x
  3. Step 3: Cross multiply
    798,421,026.79x = 1,101,820,951.69 × 445,997,014.30
  4. Step 4: Simplify right side
    798,421,026.79x = 491,408,854,749,647,552
  5. Step 5: Solve for x
    x = 491,408,854,749,647,552/798,421,026.79
  6. Step 6: Final answer
    x = 615,475,843.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.