Home / 19,147,248,372.15-28,698,022,432.17-8,911,605,187.31

Finding the Fourth Proportional to 19,147,248,372.15, 28,698,022,432.17 and 8,911,605,187.31

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Solution

The fourth proportional to 19,147,248,372.15, 28,698,022,432.17 and 8,911,605,187.31 is: 13,356,772,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147,248,372.15 : 28,698,022,432.17 = 8,911,605,187.31 : x
  2. Step 2: Convert to fraction form
    19,147,248,372.15/28,698,022,432.17 = 8,911,605,187.31/x
  3. Step 3: Cross multiply
    19,147,248,372.15x = 28,698,022,432.17 × 8,911,605,187.31
  4. Step 4: Simplify right side
    19,147,248,372.15x = 255,745,445,571,921,412,096
  5. Step 5: Solve for x
    x = 255,745,445,571,921,412,096/19,147,248,372.15
  6. Step 6: Final answer
    x = 13,356,772,764.48

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1.5x scale

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.