Home / 1,318,601,478.77-1,976,397,683.67-531,151,258.47

Finding the Fourth Proportional to 1,318,601,478.77, 1,976,397,683.67 and 531,151,258.47

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Solution

The fourth proportional to 1,318,601,478.77, 1,976,397,683.67 and 531,151,258.47 is: 796,120,840.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,601,478.77 : 1,976,397,683.67 = 531,151,258.47 : x
  2. Step 2: Convert to fraction form
    1,318,601,478.77/1,976,397,683.67 = 531,151,258.47/x
  3. Step 3: Cross multiply
    1,318,601,478.77x = 1,976,397,683.67 × 531,151,258.47
  4. Step 4: Simplify right side
    1,318,601,478.77x = 1,049,766,116,918,513,536
  5. Step 5: Solve for x
    x = 1,049,766,116,918,513,536/1,318,601,478.77
  6. Step 6: Final answer
    x = 796,120,840.01

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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.