Home / 18,845,983,320.40-28,268,974,980.60-15,943,606,872.40

Finding the Fourth Proportional to 18,845,983,320.40, 28,268,974,980.60 and 15,943,606,872.40

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Solution

The fourth proportional to 18,845,983,320.40, 28,268,974,980.60 and 15,943,606,872.40 is: 23,915,410,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845,983,320.40 : 28,268,974,980.60 = 15,943,606,872.40 : x
  2. Step 2: Convert to fraction form
    18,845,983,320.40/28,268,974,980.60 = 15,943,606,872.40/x
  3. Step 3: Cross multiply
    18,845,983,320.40x = 28,268,974,980.60 × 15,943,606,872.40
  4. Step 4: Simplify right side
    18,845,983,320.40x = 450,709,423,776,397,787,136
  5. Step 5: Solve for x
    x = 450,709,423,776,397,787,136/18,845,983,320.40
  6. Step 6: Final answer
    x = 23,915,410,308.60

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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.