Home / 13,815,439,368.14-19,065,306,180.47-7,471,807,201.10

Finding the Fourth Proportional to 13,815,439,368.14, 19,065,306,180.47 and 7,471,807,201.10

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Solution

The fourth proportional to 13,815,439,368.14, 19,065,306,180.47 and 7,471,807,201.10 is: 10,311,093,857.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815,439,368.14 : 19,065,306,180.47 = 7,471,807,201.10 : x
  2. Step 2: Convert to fraction form
    13,815,439,368.14/19,065,306,180.47 = 7,471,807,201.10/x
  3. Step 3: Cross multiply
    13,815,439,368.14x = 19,065,306,180.47 × 7,471,807,201.10
  4. Step 4: Simplify right side
    13,815,439,368.14x = 142,452,292,010,279,403,520
  5. Step 5: Solve for x
    x = 142,452,292,010,279,403,520/13,815,439,368.14
  6. Step 6: Final answer
    x = 10,311,093,857.71

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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.