Home / 789,357,646,281.45-1,181,997,288,119.20-544,787,440,892.82

Finding the Fourth Proportional to 789,357,646,281.45, 1,181,997,288,119.20 and 544,787,440,892.82

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Solution

The fourth proportional to 789,357,646,281.45, 1,181,997,288,119.20 and 544,787,440,892.82 is: 815,773,788,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,357,646,281.45 : 1,181,997,288,119.20 = 544,787,440,892.82 : x
  2. Step 2: Convert to fraction form
    789,357,646,281.45/1,181,997,288,119.20 = 544,787,440,892.82/x
  3. Step 3: Cross multiply
    789,357,646,281.45x = 1,181,997,288,119.20 × 544,787,440,892.82
  4. Step 4: Simplify right side
    789,357,646,281.45x = 643,937,277,736,712,188,985,344
  5. Step 5: Solve for x
    x = 643,937,277,736,712,188,985,344/789,357,646,281.45
  6. Step 6: Final answer
    x = 815,773,788,687.81

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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.