Home / 18,995,041,808.10-28,492,562,712.15-15,947,546,537.70

Finding the Fourth Proportional to 18,995,041,808.10, 28,492,562,712.15 and 15,947,546,537.70

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Solution

The fourth proportional to 18,995,041,808.10, 28,492,562,712.15 and 15,947,546,537.70 is: 23,921,319,806.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995,041,808.10 : 28,492,562,712.15 = 15,947,546,537.70 : x
  2. Step 2: Convert to fraction form
    18,995,041,808.10/28,492,562,712.15 = 15,947,546,537.70/x
  3. Step 3: Cross multiply
    18,995,041,808.10x = 28,492,562,712.15 × 15,947,546,537.70
  4. Step 4: Simplify right side
    18,995,041,808.10x = 454,386,469,830,347,915,264
  5. Step 5: Solve for x
    x = 454,386,469,830,347,915,264/18,995,041,808.10
  6. Step 6: Final answer
    x = 23,921,319,806.55

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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.