Home / 28,318,492,641.34-39,079,523,671.42-15,631,230,701.48

Finding the Fourth Proportional to 28,318,492,641.34, 39,079,523,671.42 and 15,631,230,701.48

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Solution

The fourth proportional to 28,318,492,641.34, 39,079,523,671.42 and 15,631,230,701.48 is: 21,571,100,480.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,318,492,641.34 : 39,079,523,671.42 = 15,631,230,701.48 : x
  2. Step 2: Convert to fraction form
    28,318,492,641.34/39,079,523,671.42 = 15,631,230,701.48/x
  3. Step 3: Cross multiply
    28,318,492,641.34x = 39,079,523,671.42 × 15,631,230,701.48
  4. Step 4: Simplify right side
    28,318,492,641.34x = 610,861,050,211,914,612,736
  5. Step 5: Solve for x
    x = 610,861,050,211,914,612,736/28,318,492,641.34
  6. Step 6: Final answer
    x = 21,571,100,480.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.