Home / 28,293,454,098.30-39,045,088,043.24-15,433,374,309.79

Finding the Fourth Proportional to 28,293,454,098.30, 39,045,088,043.24 and 15,433,374,309.79

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Solution

The fourth proportional to 28,293,454,098.30, 39,045,088,043.24 and 15,433,374,309.79 is: 21,298,122,761.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293,454,098.30 : 39,045,088,043.24 = 15,433,374,309.79 : x
  2. Step 2: Convert to fraction form
    28,293,454,098.30/39,045,088,043.24 = 15,433,374,309.79/x
  3. Step 3: Cross multiply
    28,293,454,098.30x = 39,045,088,043.24 × 15,433,374,309.79
  4. Step 4: Simplify right side
    28,293,454,098.30x = 602,597,458,729,833,594,880
  5. Step 5: Solve for x
    x = 602,597,458,729,833,594,880/28,293,454,098.30
  6. Step 6: Final answer
    x = 21,298,122,761.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.