Home / 786,343,724.94-1,178,824,652.46-320,396,960.16

Finding the Fourth Proportional to 786,343,724.94, 1,178,824,652.46 and 320,396,960.16

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Solution

The fourth proportional to 786,343,724.94, 1,178,824,652.46 and 320,396,960.16 is: 480,313,917.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,343,724.94 : 1,178,824,652.46 = 320,396,960.16 : x
  2. Step 2: Convert to fraction form
    786,343,724.94/1,178,824,652.46 = 320,396,960.16/x
  3. Step 3: Cross multiply
    786,343,724.94x = 1,178,824,652.46 × 320,396,960.16
  4. Step 4: Simplify right side
    786,343,724.94x = 377,691,835,209,852,480
  5. Step 5: Solve for x
    x = 377,691,835,209,852,480/786,343,724.94
  6. Step 6: Final answer
    x = 480,313,917.73

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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.