Home / 1,642,149,018.88-2,266,047,998.42-963,993,505.54

Finding the Fourth Proportional to 1,642,149,018.88, 2,266,047,998.42 and 963,993,505.54

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Solution

The fourth proportional to 1,642,149,018.88, 2,266,047,998.42 and 963,993,505.54 is: 1,330,241,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,149,018.88 : 2,266,047,998.42 = 963,993,505.54 : x
  2. Step 2: Convert to fraction form
    1,642,149,018.88/2,266,047,998.42 = 963,993,505.54/x
  3. Step 3: Cross multiply
    1,642,149,018.88x = 2,266,047,998.42 × 963,993,505.54
  4. Step 4: Simplify right side
    1,642,149,018.88x = 2,184,455,553,712,616,448
  5. Step 5: Solve for x
    x = 2,184,455,553,712,616,448/1,642,149,018.88
  6. Step 6: Final answer
    x = 1,330,241,974.75

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Double scale
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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.