Home / 449,296,917.53-620,091,335.97-258,554,017.08

Finding the Fourth Proportional to 449,296,917.53, 620,091,335.97 and 258,554,017.08

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Solution

The fourth proportional to 449,296,917.53, 620,091,335.97 and 258,554,017.08 is: 356,839,986.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,296,917.53 : 620,091,335.97 = 258,554,017.08 : x
  2. Step 2: Convert to fraction form
    449,296,917.53/620,091,335.97 = 258,554,017.08/x
  3. Step 3: Cross multiply
    449,296,917.53x = 620,091,335.97 × 258,554,017.08
  4. Step 4: Simplify right side
    449,296,917.53x = 160,327,105,871,547,424
  5. Step 5: Solve for x
    x = 160,327,105,871,547,424/449,296,917.53
  6. Step 6: Final answer
    x = 356,839,986.25

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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.