Home / 627,489,678.96-941,349,438.68-258,823,519.70

Finding the Fourth Proportional to 627,489,678.96, 941,349,438.68 and 258,823,519.70

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Solution

The fourth proportional to 627,489,678.96, 941,349,438.68 and 258,823,519.70 is: 388,282,681.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,489,678.96 : 941,349,438.68 = 258,823,519.70 : x
  2. Step 2: Convert to fraction form
    627,489,678.96/941,349,438.68 = 258,823,519.70/x
  3. Step 3: Cross multiply
    627,489,678.96x = 941,349,438.68 × 258,823,519.70
  4. Step 4: Simplify right side
    627,489,678.96x = 243,643,374,986,776,896
  5. Step 5: Solve for x
    x = 243,643,374,986,776,896/627,489,678.96
  6. Step 6: Final answer
    x = 388,282,681.22

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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.