Home / 1,261,682,442.40-1,892,523,663.60-443,688,455.20

Finding the Fourth Proportional to 1,261,682,442.40, 1,892,523,663.60 and 443,688,455.20

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Solution

The fourth proportional to 1,261,682,442.40, 1,892,523,663.60 and 443,688,455.20 is: 665,532,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,682,442.40 : 1,892,523,663.60 = 443,688,455.20 : x
  2. Step 2: Convert to fraction form
    1,261,682,442.40/1,892,523,663.60 = 443,688,455.20/x
  3. Step 3: Cross multiply
    1,261,682,442.40x = 1,892,523,663.60 × 443,688,455.20
  4. Step 4: Simplify right side
    1,261,682,442.40x = 839,690,900,732,128,384
  5. Step 5: Solve for x
    x = 839,690,900,732,128,384/1,261,682,442.40
  6. Step 6: Final answer
    x = 665,532,682.80

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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.