Home / 18,923,078,886.60-28,384,618,329.90-7,880,160,059.40

Finding the Fourth Proportional to 18,923,078,886.60, 28,384,618,329.90 and 7,880,160,059.40

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Solution

The fourth proportional to 18,923,078,886.60, 28,384,618,329.90 and 7,880,160,059.40 is: 11,820,240,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923,078,886.60 : 28,384,618,329.90 = 7,880,160,059.40 : x
  2. Step 2: Convert to fraction form
    18,923,078,886.60/28,384,618,329.90 = 7,880,160,059.40/x
  3. Step 3: Cross multiply
    18,923,078,886.60x = 28,384,618,329.90 × 7,880,160,059.40
  4. Step 4: Simplify right side
    18,923,078,886.60x = 223,675,335,664,591,110,144
  5. Step 5: Solve for x
    x = 223,675,335,664,591,110,144/18,923,078,886.60
  6. Step 6: Final answer
    x = 11,820,240,089.10

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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.