Home / 262,440,343.80-393,660,515.70-260,928,689.40

Finding the Fourth Proportional to 262,440,343.80, 393,660,515.70 and 260,928,689.40

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Solution

The fourth proportional to 262,440,343.80, 393,660,515.70 and 260,928,689.40 is: 391,393,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,440,343.80 : 393,660,515.70 = 260,928,689.40 : x
  2. Step 2: Convert to fraction form
    262,440,343.80/393,660,515.70 = 260,928,689.40/x
  3. Step 3: Cross multiply
    262,440,343.80x = 393,660,515.70 × 260,928,689.40
  4. Step 4: Simplify right side
    262,440,343.80x = 102,717,322,430,129,120
  5. Step 5: Solve for x
    x = 102,717,322,430,129,120/262,440,343.80
  6. Step 6: Final answer
    x = 391,393,034.10

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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.