Home / 1,948,843,431.25-2,923,436,997.82-549,839,945.54

Finding the Fourth Proportional to 1,948,843,431.25, 2,923,436,997.82 and 549,839,945.54

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Solution

The fourth proportional to 1,948,843,431.25, 2,923,436,997.82 and 549,839,945.54 is: 824,808,403.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,843,431.25 : 2,923,436,997.82 = 549,839,945.54 : x
  2. Step 2: Convert to fraction form
    1,948,843,431.25/2,923,436,997.82 = 549,839,945.54/x
  3. Step 3: Cross multiply
    1,948,843,431.25x = 2,923,436,997.82 × 549,839,945.54
  4. Step 4: Simplify right side
    1,948,843,431.25x = 1,607,422,439,678,938,368
  5. Step 5: Solve for x
    x = 1,607,422,439,678,938,368/1,948,843,431.25
  6. Step 6: Final answer
    x = 824,808,403.75

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Double scale
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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.