Home / 408,548,253-563,137,973.82-276,341,035.80

Finding the Fourth Proportional to 408,548,253, 563,137,973.82 and 276,341,035.80

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Solution

The fourth proportional to 408,548,253, 563,137,973.82 and 276,341,035.80 is: 380,905,143.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,548,253 : 563,137,973.82 = 276,341,035.80 : x
  2. Step 2: Convert to fraction form
    408,548,253/563,137,973.82 = 276,341,035.80/x
  3. Step 3: Cross multiply
    408,548,253x = 563,137,973.82 × 276,341,035.80
  4. Step 4: Simplify right side
    408,548,253x = 155,618,130,983,732,096
  5. Step 5: Solve for x
    x = 155,618,130,983,732,096/408,548,253
  6. Step 6: Final answer
    x = 380,905,143.62

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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.