Home / 2,551,813,672-3,521,504,284.48-1,378,391,955.52

Finding the Fourth Proportional to 2,551,813,672, 3,521,504,284.48 and 1,378,391,955.52

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Solution

The fourth proportional to 2,551,813,672, 3,521,504,284.48 and 1,378,391,955.52 is: 1,902,181,664.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,813,672 : 3,521,504,284.48 = 1,378,391,955.52 : x
  2. Step 2: Convert to fraction form
    2,551,813,672/3,521,504,284.48 = 1,378,391,955.52/x
  3. Step 3: Cross multiply
    2,551,813,672x = 3,521,504,284.48 × 1,378,391,955.52
  4. Step 4: Simplify right side
    2,551,813,672x = 4,854,013,177,056,445,440
  5. Step 5: Solve for x
    x = 4,854,013,177,056,445,440/2,551,813,672
  6. Step 6: Final answer
    x = 1,902,181,664.09

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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.