Home / 561,497,682.42-842,660,245.71-266,393,875.14

Finding the Fourth Proportional to 561,497,682.42, 842,660,245.71 and 266,393,875.14

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Solution

The fourth proportional to 561,497,682.42, 842,660,245.71 and 266,393,875.14 is: 399,787,096.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,497,682.42 : 842,660,245.71 = 266,393,875.14 : x
  2. Step 2: Convert to fraction form
    561,497,682.42/842,660,245.71 = 266,393,875.14/x
  3. Step 3: Cross multiply
    561,497,682.42x = 842,660,245.71 × 266,393,875.14
  4. Step 4: Simplify right side
    561,497,682.42x = 224,479,528,281,111,456
  5. Step 5: Solve for x
    x = 224,479,528,281,111,456/561,497,682.42
  6. Step 6: Final answer
    x = 399,787,096.74

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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.