Home / 374,814,243.84-517,240,051.20-215,986,013.76

Finding the Fourth Proportional to 374,814,243.84, 517,240,051.20 and 215,986,013.76

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Solution

The fourth proportional to 374,814,243.84, 517,240,051.20 and 215,986,013.76 is: 298,058,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,814,243.84 : 517,240,051.20 = 215,986,013.76 : x
  2. Step 2: Convert to fraction form
    374,814,243.84/517,240,051.20 = 215,986,013.76/x
  3. Step 3: Cross multiply
    374,814,243.84x = 517,240,051.20 × 215,986,013.76
  4. Step 4: Simplify right side
    374,814,243.84x = 111,716,616,815,706,304
  5. Step 5: Solve for x
    x = 111,716,616,815,706,304/374,814,243.84
  6. Step 6: Final answer
    x = 298,058,621.44

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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.