Home / 2,557,728,665.78-3,836,728,491.80-788,314,690.89

Finding the Fourth Proportional to 2,557,728,665.78, 3,836,728,491.80 and 788,314,690.89

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Solution

The fourth proportional to 2,557,728,665.78, 3,836,728,491.80 and 788,314,690.89 is: 1,182,513,796.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557,728,665.78 : 3,836,728,491.80 = 788,314,690.89 : x
  2. Step 2: Convert to fraction form
    2,557,728,665.78/3,836,728,491.80 = 788,314,690.89/x
  3. Step 3: Cross multiply
    2,557,728,665.78x = 3,836,728,491.80 × 788,314,690.89
  4. Step 4: Simplify right side
    2,557,728,665.78x = 3,024,549,435,038,231,552
  5. Step 5: Solve for x
    x = 3,024,549,435,038,231,552/2,557,728,665.78
  6. Step 6: Final answer
    x = 1,182,513,796.52

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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.