Home / 2,870,816,479.36-3,961,728,477.12-1,550,717,618.56

Finding the Fourth Proportional to 2,870,816,479.36, 3,961,728,477.12 and 1,550,717,618.56

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Solution

The fourth proportional to 2,870,816,479.36, 3,961,728,477.12 and 1,550,717,618.56 is: 2,139,991,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,816,479.36 : 3,961,728,477.12 = 1,550,717,618.56 : x
  2. Step 2: Convert to fraction form
    2,870,816,479.36/3,961,728,477.12 = 1,550,717,618.56/x
  3. Step 3: Cross multiply
    2,870,816,479.36x = 3,961,728,477.12 × 1,550,717,618.56
  4. Step 4: Simplify right side
    2,870,816,479.36x = 6,143,522,149,420,861,440
  5. Step 5: Solve for x
    x = 6,143,522,149,420,861,440/2,870,816,479.36
  6. Step 6: Final answer
    x = 2,139,991,251.13

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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.