Home / 1,170,048,736.10-1,755,073,104.15-393,436,288.10

Finding the Fourth Proportional to 1,170,048,736.10, 1,755,073,104.15 and 393,436,288.10

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Solution

The fourth proportional to 1,170,048,736.10, 1,755,073,104.15 and 393,436,288.10 is: 590,154,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,048,736.10 : 1,755,073,104.15 = 393,436,288.10 : x
  2. Step 2: Convert to fraction form
    1,170,048,736.10/1,755,073,104.15 = 393,436,288.10/x
  3. Step 3: Cross multiply
    1,170,048,736.10x = 1,755,073,104.15 × 393,436,288.10
  4. Step 4: Simplify right side
    1,170,048,736.10x = 690,509,447,440,920,832
  5. Step 5: Solve for x
    x = 690,509,447,440,920,832/1,170,048,736.10
  6. Step 6: Final answer
    x = 590,154,432.15

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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.