Home / 313,517,344.02-432,015,874.29-242,521,644.30

Finding the Fourth Proportional to 313,517,344.02, 432,015,874.29 and 242,521,644.30

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Solution

The fourth proportional to 313,517,344.02, 432,015,874.29 and 242,521,644.30 is: 334,186,296.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,517,344.02 : 432,015,874.29 = 242,521,644.30 : x
  2. Step 2: Convert to fraction form
    313,517,344.02/432,015,874.29 = 242,521,644.30/x
  3. Step 3: Cross multiply
    313,517,344.02x = 432,015,874.29 × 242,521,644.30
  4. Step 4: Simplify right side
    313,517,344.02x = 104,773,200,196,512,912
  5. Step 5: Solve for x
    x = 104,773,200,196,512,912/313,517,344.02
  6. Step 6: Final answer
    x = 334,186,296.85

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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.