Home / 605,984,636.85-909,015,357.02-256,165,508.58

Finding the Fourth Proportional to 605,984,636.85, 909,015,357.02 and 256,165,508.58

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Solution

The fourth proportional to 605,984,636.85, 909,015,357.02 and 256,165,508.58 is: 384,264,496.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,984,636.85 : 909,015,357.02 = 256,165,508.58 : x
  2. Step 2: Convert to fraction form
    605,984,636.85/909,015,357.02 = 256,165,508.58/x
  3. Step 3: Cross multiply
    605,984,636.85x = 909,015,357.02 × 256,165,508.58
  4. Step 4: Simplify right side
    605,984,636.85x = 232,858,381,236,777,760
  5. Step 5: Solve for x
    x = 232,858,381,236,777,760/605,984,636.85
  6. Step 6: Final answer
    x = 384,264,496.29

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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.