Home / 880,697,777.20-1,321,046,665.80-267,281,018.80

Finding the Fourth Proportional to 880,697,777.20, 1,321,046,665.80 and 267,281,018.80

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Solution

The fourth proportional to 880,697,777.20, 1,321,046,665.80 and 267,281,018.80 is: 400,921,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,697,777.20 : 1,321,046,665.80 = 267,281,018.80 : x
  2. Step 2: Convert to fraction form
    880,697,777.20/1,321,046,665.80 = 267,281,018.80/x
  3. Step 3: Cross multiply
    880,697,777.20x = 1,321,046,665.80 × 267,281,018.80
  4. Step 4: Simplify right side
    880,697,777.20x = 353,090,698,717,367,104
  5. Step 5: Solve for x
    x = 353,090,698,717,367,104/880,697,777.20
  6. Step 6: Final answer
    x = 400,921,528.20

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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.