Home / 422,597,096.55-583,096,663.20-243,977,889.64

Finding the Fourth Proportional to 422,597,096.55, 583,096,663.20 and 243,977,889.64

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Solution

The fourth proportional to 422,597,096.55, 583,096,663.20 and 243,977,889.64 is: 336,639,069.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,597,096.55 : 583,096,663.20 = 243,977,889.64 : x
  2. Step 2: Convert to fraction form
    422,597,096.55/583,096,663.20 = 243,977,889.64/x
  3. Step 3: Cross multiply
    422,597,096.55x = 583,096,663.20 × 243,977,889.64
  4. Step 4: Simplify right side
    422,597,096.55x = 142,262,693,343,661,856
  5. Step 5: Solve for x
    x = 142,262,693,343,661,856/422,597,096.55
  6. Step 6: Final answer
    x = 336,639,069.47

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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.