Home / 11,190,145,047.79-15,449,369,328.45-7,123,341,392.95

Finding the Fourth Proportional to 11,190,145,047.79, 15,449,369,328.45 and 7,123,341,392.95

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Solution

The fourth proportional to 11,190,145,047.79, 15,449,369,328.45 and 7,123,341,392.95 is: 9,834,647,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190,145,047.79 : 15,449,369,328.45 = 7,123,341,392.95 : x
  2. Step 2: Convert to fraction form
    11,190,145,047.79/15,449,369,328.45 = 7,123,341,392.95/x
  3. Step 3: Cross multiply
    11,190,145,047.79x = 15,449,369,328.45 × 7,123,341,392.95
  4. Step 4: Simplify right side
    11,190,145,047.79x = 110,051,132,032,320,028,672
  5. Step 5: Solve for x
    x = 110,051,132,032,320,028,672/11,190,145,047.79
  6. Step 6: Final answer
    x = 9,834,647,501.20

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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.