Home / 28,402,268,771.46-39,195,589,453.01-15,543,026,060.91

Finding the Fourth Proportional to 28,402,268,771.46, 39,195,589,453.01 and 15,543,026,060.91

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Solution

The fourth proportional to 28,402,268,771.46, 39,195,589,453.01 and 15,543,026,060.91 is: 21,449,626,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,402,268,771.46 : 39,195,589,453.01 = 15,543,026,060.91 : x
  2. Step 2: Convert to fraction form
    28,402,268,771.46/39,195,589,453.01 = 15,543,026,060.91/x
  3. Step 3: Cross multiply
    28,402,268,771.46x = 39,195,589,453.01 × 15,543,026,060.91
  4. Step 4: Simplify right side
    28,402,268,771.46x = 609,218,068,340,785,807,360
  5. Step 5: Solve for x
    x = 609,218,068,340,785,807,360/28,402,268,771.46
  6. Step 6: Final answer
    x = 21,449,626,902.80

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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.