Home / 11,190,145,374.72-15,449,369,780.16-7,123,341,720.96

Finding the Fourth Proportional to 11,190,145,374.72, 15,449,369,780.16 and 7,123,341,720.96

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Solution

The fourth proportional to 11,190,145,374.72, 15,449,369,780.16 and 7,123,341,720.96 is: 9,834,647,954.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190,145,374.72 : 15,449,369,780.16 = 7,123,341,720.96 : x
  2. Step 2: Convert to fraction form
    11,190,145,374.72/15,449,369,780.16 = 7,123,341,720.96/x
  3. Step 3: Cross multiply
    11,190,145,374.72x = 15,449,369,780.16 × 7,123,341,720.96
  4. Step 4: Simplify right side
    11,190,145,374.72x = 110,051,140,317,552,345,088
  5. Step 5: Solve for x
    x = 110,051,140,317,552,345,088/11,190,145,374.72
  6. Step 6: Final answer
    x = 9,834,647,954.28

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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.