Home / 654,362,711.04-902,989,025.28-356,987,251.20

Finding the Fourth Proportional to 654,362,711.04, 902,989,025.28 and 356,987,251.20

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Solution

The fourth proportional to 654,362,711.04, 902,989,025.28 and 356,987,251.20 is: 492,625,213.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,362,711.04 : 902,989,025.28 = 356,987,251.20 : x
  2. Step 2: Convert to fraction form
    654,362,711.04/902,989,025.28 = 356,987,251.20/x
  3. Step 3: Cross multiply
    654,362,711.04x = 902,989,025.28 × 356,987,251.20
  4. Step 4: Simplify right side
    654,362,711.04x = 322,355,569,998,474,496
  5. Step 5: Solve for x
    x = 322,355,569,998,474,496/654,362,711.04
  6. Step 6: Final answer
    x = 492,625,213.14

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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.