Home / 13,815,439,362.14-19,065,306,172.19-7,471,807,195.10

Finding the Fourth Proportional to 13,815,439,362.14, 19,065,306,172.19 and 7,471,807,195.10

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Solution

The fourth proportional to 13,815,439,362.14, 19,065,306,172.19 and 7,471,807,195.10 is: 10,311,093,849.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815,439,362.14 : 19,065,306,172.19 = 7,471,807,195.10 : x
  2. Step 2: Convert to fraction form
    13,815,439,362.14/19,065,306,172.19 = 7,471,807,195.10/x
  3. Step 3: Cross multiply
    13,815,439,362.14x = 19,065,306,172.19 × 7,471,807,195.10
  4. Step 4: Simplify right side
    13,815,439,362.14x = 142,452,291,834,021,003,264
  5. Step 5: Solve for x
    x = 142,452,291,834,021,003,264/13,815,439,362.14
  6. Step 6: Final answer
    x = 10,311,093,849.43

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Double scale
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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.