Home / 268,272,012.80-402,408,019.20-200,247,564.80

Finding the Fourth Proportional to 268,272,012.80, 402,408,019.20 and 200,247,564.80

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Solution

The fourth proportional to 268,272,012.80, 402,408,019.20 and 200,247,564.80 is: 300,371,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,012.80 : 402,408,019.20 = 200,247,564.80 : x
  2. Step 2: Convert to fraction form
    268,272,012.80/402,408,019.20 = 200,247,564.80/x
  3. Step 3: Cross multiply
    268,272,012.80x = 402,408,019.20 × 200,247,564.80
  4. Step 4: Simplify right side
    268,272,012.80x = 80,581,225,900,791,648
  5. Step 5: Solve for x
    x = 80,581,225,900,791,648/268,272,012.80
  6. Step 6: Final answer
    x = 300,371,347.20

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1.5x scale

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.