Home / 684,983,523.20-945,277,268.79-371,717,737.18

Finding the Fourth Proportional to 684,983,523.20, 945,277,268.79 and 371,717,737.18

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Solution

The fourth proportional to 684,983,523.20, 945,277,268.79 and 371,717,737.18 is: 512,970,480.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,983,523.20 : 945,277,268.79 = 371,717,737.18 : x
  2. Step 2: Convert to fraction form
    684,983,523.20/945,277,268.79 = 371,717,737.18/x
  3. Step 3: Cross multiply
    684,983,523.20x = 945,277,268.79 × 371,717,737.18
  4. Step 4: Simplify right side
    684,983,523.20x = 351,376,327,362,309,440
  5. Step 5: Solve for x
    x = 351,376,327,362,309,440/684,983,523.20
  6. Step 6: Final answer
    x = 512,970,480.98

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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.