Home / 391,460,593.16-540,297,816.76-248,313,767.60

Finding the Fourth Proportional to 391,460,593.16, 540,297,816.76 and 248,313,767.60

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Solution

The fourth proportional to 391,460,593.16, 540,297,816.76 and 248,313,767.60 is: 342,725,139.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,460,593.16 : 540,297,816.76 = 248,313,767.60 : x
  2. Step 2: Convert to fraction form
    391,460,593.16/540,297,816.76 = 248,313,767.60/x
  3. Step 3: Cross multiply
    391,460,593.16x = 540,297,816.76 × 248,313,767.60
  4. Step 4: Simplify right side
    391,460,593.16x = 134,163,386,505,730,016
  5. Step 5: Solve for x
    x = 134,163,386,505,730,016/391,460,593.16
  6. Step 6: Final answer
    x = 342,725,139.77

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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.