Home / 2,402,400,643.20-3,603,600,964.80-2,143,907,740.80

Finding the Fourth Proportional to 2,402,400,643.20, 3,603,600,964.80 and 2,143,907,740.80

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Solution

The fourth proportional to 2,402,400,643.20, 3,603,600,964.80 and 2,143,907,740.80 is: 3,215,861,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402,400,643.20 : 3,603,600,964.80 = 2,143,907,740.80 : x
  2. Step 2: Convert to fraction form
    2,402,400,643.20/3,603,600,964.80 = 2,143,907,740.80/x
  3. Step 3: Cross multiply
    2,402,400,643.20x = 3,603,600,964.80 × 2,143,907,740.80
  4. Step 4: Simplify right side
    2,402,400,643.20x = 7,725,788,003,189,068,800
  5. Step 5: Solve for x
    x = 7,725,788,003,189,068,800/2,402,400,643.20
  6. Step 6: Final answer
    x = 3,215,861,611.20

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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.