Home / 1,312,226,607.20-1,968,190,611.60-342,976,200.80

Finding the Fourth Proportional to 1,312,226,607.20, 1,968,190,611.60 and 342,976,200.80

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Solution

The fourth proportional to 1,312,226,607.20, 1,968,190,611.60 and 342,976,200.80 is: 514,425,278.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,226,607.20 : 1,968,190,611.60 = 342,976,200.80 : x
  2. Step 2: Convert to fraction form
    1,312,226,607.20/1,968,190,611.60 = 342,976,200.80/x
  3. Step 3: Cross multiply
    1,312,226,607.20x = 1,968,190,611.60 × 342,976,200.80
  4. Step 4: Simplify right side
    1,312,226,607.20x = 675,042,538,416,796,416
  5. Step 5: Solve for x
    x = 675,042,538,416,796,416/1,312,226,607.20
  6. Step 6: Final answer
    x = 514,425,278.92

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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.