Home / 12,576,807,542.28-18,858,132,418.86-4,178,216,898.84

Finding the Fourth Proportional to 12,576,807,542.28, 18,858,132,418.86 and 4,178,216,898.84

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Solution

The fourth proportional to 12,576,807,542.28, 18,858,132,418.86 and 4,178,216,898.84 is: 6,264,973,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,807,542.28 : 18,858,132,418.86 = 4,178,216,898.84 : x
  2. Step 2: Convert to fraction form
    12,576,807,542.28/18,858,132,418.86 = 4,178,216,898.84/x
  3. Step 3: Cross multiply
    12,576,807,542.28x = 18,858,132,418.86 × 4,178,216,898.84
  4. Step 4: Simplify right side
    12,576,807,542.28x = 78,793,367,553,043,300,352
  5. Step 5: Solve for x
    x = 78,793,367,553,043,300,352/12,576,807,542.28
  6. Step 6: Final answer
    x = 6,264,973,626.11

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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.