Home / 1,572,793,187.83-2,170,506,730.55-858,367,860.61

Finding the Fourth Proportional to 1,572,793,187.83, 2,170,506,730.55 and 858,367,860.61

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Solution

The fourth proportional to 1,572,793,187.83, 2,170,506,730.55 and 858,367,860.61 is: 1,184,576,098.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,793,187.83 : 2,170,506,730.55 = 858,367,860.61 : x
  2. Step 2: Convert to fraction form
    1,572,793,187.83/2,170,506,730.55 = 858,367,860.61/x
  3. Step 3: Cross multiply
    1,572,793,187.83x = 2,170,506,730.55 × 858,367,860.61
  4. Step 4: Simplify right side
    1,572,793,187.83x = 1,863,093,218,737,517,568
  5. Step 5: Solve for x
    x = 1,863,093,218,737,517,568/1,572,793,187.83
  6. Step 6: Final answer
    x = 1,184,576,098.85

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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.