Home / 1,317,586,285.23-1,976,393,601.78-397,470,599.79

Finding the Fourth Proportional to 1,317,586,285.23, 1,976,393,601.78 and 397,470,599.79

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Solution

The fourth proportional to 1,317,586,285.23, 1,976,393,601.78 and 397,470,599.79 is: 596,210,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,586,285.23 : 1,976,393,601.78 = 397,470,599.79 : x
  2. Step 2: Convert to fraction form
    1,317,586,285.23/1,976,393,601.78 = 397,470,599.79/x
  3. Step 3: Cross multiply
    1,317,586,285.23x = 1,976,393,601.78 × 397,470,599.79
  4. Step 4: Simplify right side
    1,317,586,285.23x = 785,558,350,320,615,040
  5. Step 5: Solve for x
    x = 785,558,350,320,615,040/1,317,586,285.23
  6. Step 6: Final answer
    x = 596,210,175.48

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1.5x scale

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.