Home / 526,535,781.40-789,803,672.10-268,255,455.40

Finding the Fourth Proportional to 526,535,781.40, 789,803,672.10 and 268,255,455.40

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Solution

The fourth proportional to 526,535,781.40, 789,803,672.10 and 268,255,455.40 is: 402,383,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,535,781.40 : 789,803,672.10 = 268,255,455.40 : x
  2. Step 2: Convert to fraction form
    526,535,781.40/789,803,672.10 = 268,255,455.40/x
  3. Step 3: Cross multiply
    526,535,781.40x = 789,803,672.10 × 268,255,455.40
  4. Step 4: Simplify right side
    526,535,781.40x = 211,869,143,735,777,792
  5. Step 5: Solve for x
    x = 211,869,143,735,777,792/526,535,781.40
  6. Step 6: Final answer
    x = 402,383,183.10

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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.