Home / 356,543,999.40-534,815,999.10-307,226,274.60

Finding the Fourth Proportional to 356,543,999.40, 534,815,999.10 and 307,226,274.60

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Solution

The fourth proportional to 356,543,999.40, 534,815,999.10 and 307,226,274.60 is: 460,839,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,543,999.40 : 534,815,999.10 = 307,226,274.60 : x
  2. Step 2: Convert to fraction form
    356,543,999.40/534,815,999.10 = 307,226,274.60/x
  3. Step 3: Cross multiply
    356,543,999.40x = 534,815,999.10 × 307,226,274.60
  4. Step 4: Simplify right side
    356,543,999.40x = 164,309,526,999,969,984
  5. Step 5: Solve for x
    x = 164,309,526,999,969,984/356,543,999.40
  6. Step 6: Final answer
    x = 460,839,411.90

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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.