Home / 262,440,352.80-393,660,529.20-260,928,698.40

Finding the Fourth Proportional to 262,440,352.80, 393,660,529.20 and 260,928,698.40

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Solution

The fourth proportional to 262,440,352.80, 393,660,529.20 and 260,928,698.40 is: 391,393,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,440,352.80 : 393,660,529.20 = 260,928,698.40 : x
  2. Step 2: Convert to fraction form
    262,440,352.80/393,660,529.20 = 260,928,698.40/x
  3. Step 3: Cross multiply
    262,440,352.80x = 393,660,529.20 × 260,928,698.40
  4. Step 4: Simplify right side
    262,440,352.80x = 102,717,329,495,611,200
  5. Step 5: Solve for x
    x = 102,717,329,495,611,200/262,440,352.80
  6. Step 6: Final answer
    x = 391,393,047.60

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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.