Home / 28,365,877,720.89-42,548,816,584.28-9,479,165,391.15

Finding the Fourth Proportional to 28,365,877,720.89, 42,548,816,584.28 and 9,479,165,391.15

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Solution

The fourth proportional to 28,365,877,720.89, 42,548,816,584.28 and 9,479,165,391.15 is: 14,218,748,087.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,365,877,720.89 : 42,548,816,584.28 = 9,479,165,391.15 : x
  2. Step 2: Convert to fraction form
    28,365,877,720.89/42,548,816,584.28 = 9,479,165,391.15/x
  3. Step 3: Cross multiply
    28,365,877,720.89x = 42,548,816,584.28 × 9,479,165,391.15
  4. Step 4: Simplify right side
    28,365,877,720.89x = 403,327,269,600,048,709,632
  5. Step 5: Solve for x
    x = 403,327,269,600,048,709,632/28,365,877,720.89
  6. Step 6: Final answer
    x = 14,218,748,087.71

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1.5x scale

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.