Home / 28,614,640,049.56-42,921,949,971.97-7,652,528,078.85

Finding the Fourth Proportional to 28,614,640,049.56, 42,921,949,971.97 and 7,652,528,078.85

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Solution

The fourth proportional to 28,614,640,049.56, 42,921,949,971.97 and 7,652,528,078.85 is: 11,478,789,416.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,614,640,049.56 : 42,921,949,971.97 = 7,652,528,078.85 : x
  2. Step 2: Convert to fraction form
    28,614,640,049.56/42,921,949,971.97 = 7,652,528,078.85/x
  3. Step 3: Cross multiply
    28,614,640,049.56x = 42,921,949,971.97 × 7,652,528,078.85
  4. Step 4: Simplify right side
    28,614,640,049.56x = 328,461,427,359,518,359,552
  5. Step 5: Solve for x
    x = 328,461,427,359,518,359,552/28,614,640,049.56
  6. Step 6: Final answer
    x = 11,478,789,416.56

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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.