Home / 2,219,911,728.41-3,328,777,970.78-1,098,139,296.39

Finding the Fourth Proportional to 2,219,911,728.41, 3,328,777,970.78 and 1,098,139,296.39

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Solution

The fourth proportional to 2,219,911,728.41, 3,328,777,970.78 and 1,098,139,296.39 is: 1,646,669,933.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,911,728.41 : 3,328,777,970.78 = 1,098,139,296.39 : x
  2. Step 2: Convert to fraction form
    2,219,911,728.41/3,328,777,970.78 = 1,098,139,296.39/x
  3. Step 3: Cross multiply
    2,219,911,728.41x = 3,328,777,970.78 × 1,098,139,296.39
  4. Step 4: Simplify right side
    2,219,911,728.41x = 3,655,461,898,668,321,280
  5. Step 5: Solve for x
    x = 3,655,461,898,668,321,280/2,219,911,728.41
  6. Step 6: Final answer
    x = 1,646,669,933.71

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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.