Home / 391,460,587.14-540,297,808.47-248,313,761.58

Finding the Fourth Proportional to 391,460,587.14, 540,297,808.47 and 248,313,761.58

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Solution

The fourth proportional to 391,460,587.14, 540,297,808.47 and 248,313,761.58 is: 342,725,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,460,587.14 : 540,297,808.47 = 248,313,761.58 : x
  2. Step 2: Convert to fraction form
    391,460,587.14/540,297,808.47 = 248,313,761.58/x
  3. Step 3: Cross multiply
    391,460,587.14x = 540,297,808.47 × 248,313,761.58
  4. Step 4: Simplify right side
    391,460,587.14x = 134,163,381,194,616,096
  5. Step 5: Solve for x
    x = 134,163,381,194,616,096/391,460,587.14
  6. Step 6: Final answer
    x = 342,725,131.47

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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.