Home / 340,512,963.40-510,769,445.10-311,456,426.73

Finding the Fourth Proportional to 340,512,963.40, 510,769,445.10 and 311,456,426.73

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Solution

The fourth proportional to 340,512,963.40, 510,769,445.10 and 311,456,426.73 is: 467,184,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,512,963.40 : 510,769,445.10 = 311,456,426.73 : x
  2. Step 2: Convert to fraction form
    340,512,963.40/510,769,445.10 = 311,456,426.73/x
  3. Step 3: Cross multiply
    340,512,963.40x = 510,769,445.10 × 311,456,426.73
  4. Step 4: Simplify right side
    340,512,963.40x = 159,082,426,253,710,912
  5. Step 5: Solve for x
    x = 159,082,426,253,710,912/340,512,963.40
  6. Step 6: Final answer
    x = 467,184,640.10

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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.