Home / 19,164,317,268.32-28,720,780,393.44-14,915,139,764.32

Finding the Fourth Proportional to 19,164,317,268.32, 28,720,780,393.44 and 14,915,139,764.32

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Solution

The fourth proportional to 19,164,317,268.32, 28,720,780,393.44 and 14,915,139,764.32 is: 22,352,711,432.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164,317,268.32 : 28,720,780,393.44 = 14,915,139,764.32 : x
  2. Step 2: Convert to fraction form
    19,164,317,268.32/28,720,780,393.44 = 14,915,139,764.32/x
  3. Step 3: Cross multiply
    19,164,317,268.32x = 28,720,780,393.44 × 14,915,139,764.32
  4. Step 4: Simplify right side
    19,164,317,268.32x = 428,374,453,708,499,124,224
  5. Step 5: Solve for x
    x = 428,374,453,708,499,124,224/19,164,317,268.32
  6. Step 6: Final answer
    x = 22,352,711,432.96

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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.