Home / 2,239,580,915.20-3,359,371,372.80-687,111,846.40

Finding the Fourth Proportional to 2,239,580,915.20, 3,359,371,372.80 and 687,111,846.40

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Solution

The fourth proportional to 2,239,580,915.20, 3,359,371,372.80 and 687,111,846.40 is: 1,030,667,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,580,915.20 : 3,359,371,372.80 = 687,111,846.40 : x
  2. Step 2: Convert to fraction form
    2,239,580,915.20/3,359,371,372.80 = 687,111,846.40/x
  3. Step 3: Cross multiply
    2,239,580,915.20x = 3,359,371,372.80 × 687,111,846.40
  4. Step 4: Simplify right side
    2,239,580,915.20x = 2,308,263,866,707,910,656
  5. Step 5: Solve for x
    x = 2,308,263,866,707,910,656/2,239,580,915.20
  6. Step 6: Final answer
    x = 1,030,667,769.60

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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.