Home / 18,844,130,896.80-28,266,196,345.20-6,436,471,581.60

Finding the Fourth Proportional to 18,844,130,896.80, 28,266,196,345.20 and 6,436,471,581.60

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Solution

The fourth proportional to 18,844,130,896.80, 28,266,196,345.20 and 6,436,471,581.60 is: 9,654,707,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844,130,896.80 : 28,266,196,345.20 = 6,436,471,581.60 : x
  2. Step 2: Convert to fraction form
    18,844,130,896.80/28,266,196,345.20 = 6,436,471,581.60/x
  3. Step 3: Cross multiply
    18,844,130,896.80x = 28,266,196,345.20 × 6,436,471,581.60
  4. Step 4: Simplify right side
    18,844,130,896.80x = 181,934,569,495,805,591,552
  5. Step 5: Solve for x
    x = 181,934,569,495,805,591,552/18,844,130,896.80
  6. Step 6: Final answer
    x = 9,654,707,372.40

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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.