Home / 508,730,791.28-702,200,734.81-297,094,709.66

Finding the Fourth Proportional to 508,730,791.28, 702,200,734.81 and 297,094,709.66

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Solution

The fourth proportional to 508,730,791.28, 702,200,734.81 and 297,094,709.66 is: 410,079,607.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,730,791.28 : 702,200,734.81 = 297,094,709.66 : x
  2. Step 2: Convert to fraction form
    508,730,791.28/702,200,734.81 = 297,094,709.66/x
  3. Step 3: Cross multiply
    508,730,791.28x = 702,200,734.81 × 297,094,709.66
  4. Step 4: Simplify right side
    508,730,791.28x = 208,620,123,427,161,856
  5. Step 5: Solve for x
    x = 208,620,123,427,161,856/508,730,791.28
  6. Step 6: Final answer
    x = 410,079,607.93

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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.