Home / 12,576,807,539.28-18,858,132,414.36-4,178,216,895.84

Finding the Fourth Proportional to 12,576,807,539.28, 18,858,132,414.36 and 4,178,216,895.84

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Solution

The fourth proportional to 12,576,807,539.28, 18,858,132,414.36 and 4,178,216,895.84 is: 6,264,973,621.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,807,539.28 : 18,858,132,414.36 = 4,178,216,895.84 : x
  2. Step 2: Convert to fraction form
    12,576,807,539.28/18,858,132,414.36 = 4,178,216,895.84/x
  3. Step 3: Cross multiply
    12,576,807,539.28x = 18,858,132,414.36 × 4,178,216,895.84
  4. Step 4: Simplify right side
    12,576,807,539.28x = 78,793,367,477,666,922,496
  5. Step 5: Solve for x
    x = 78,793,367,477,666,922,496/12,576,807,539.28
  6. Step 6: Final answer
    x = 6,264,973,621.61

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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.