Home / 1,562,969,902.80-2,156,902,710-858,167,535.12

Finding the Fourth Proportional to 1,562,969,902.80, 2,156,902,710 and 858,167,535.12

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Solution

The fourth proportional to 1,562,969,902.80, 2,156,902,710 and 858,167,535.12 is: 1,184,273,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562,969,902.80 : 2,156,902,710 = 858,167,535.12 : x
  2. Step 2: Convert to fraction form
    1,562,969,902.80/2,156,902,710 = 858,167,535.12/x
  3. Step 3: Cross multiply
    1,562,969,902.80x = 2,156,902,710 × 858,167,535.12
  4. Step 4: Simplify right side
    1,562,969,902.80x = 1,850,983,882,134,348,288
  5. Step 5: Solve for x
    x = 1,850,983,882,134,348,288/1,562,969,902.80
  6. Step 6: Final answer
    x = 1,184,273,528.76

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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.