Home / 627,489,835.14-941,349,672.96-258,823,675.77

Finding the Fourth Proportional to 627,489,835.14, 941,349,672.96 and 258,823,675.77

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Solution

The fourth proportional to 627,489,835.14, 941,349,672.96 and 258,823,675.77 is: 388,282,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,489,835.14 : 941,349,672.96 = 258,823,675.77 : x
  2. Step 2: Convert to fraction form
    627,489,835.14/941,349,672.96 = 258,823,675.77/x
  3. Step 3: Cross multiply
    627,489,835.14x = 941,349,672.96 × 258,823,675.77
  4. Step 4: Simplify right side
    627,489,835.14x = 243,643,582,543,018,432
  5. Step 5: Solve for x
    x = 243,643,582,543,018,432/627,489,835.14
  6. Step 6: Final answer
    x = 388,282,915.35

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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.