Home / 7,472,769,171.87-10,312,636,690.79-4,131,482,687.85

Finding the Fourth Proportional to 7,472,769,171.87, 10,312,636,690.79 and 4,131,482,687.85

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Solution

The fourth proportional to 7,472,769,171.87, 10,312,636,690.79 and 4,131,482,687.85 is: 5,701,565,105.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472,769,171.87 : 10,312,636,690.79 = 4,131,482,687.85 : x
  2. Step 2: Convert to fraction form
    7,472,769,171.87/10,312,636,690.79 = 4,131,482,687.85/x
  3. Step 3: Cross multiply
    7,472,769,171.87x = 10,312,636,690.79 × 4,131,482,687.85
  4. Step 4: Simplify right side
    7,472,769,171.87x = 42,606,479,954,110,341,120
  5. Step 5: Solve for x
    x = 42,606,479,954,110,341,120/7,472,769,171.87
  6. Step 6: Final answer
    x = 5,701,565,105.81

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1.5x scale

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.