Home / 531,455,816.80-797,183,725.20-167,950,172.80

Finding the Fourth Proportional to 531,455,816.80, 797,183,725.20 and 167,950,172.80

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Solution

The fourth proportional to 531,455,816.80, 797,183,725.20 and 167,950,172.80 is: 251,925,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,455,816.80 : 797,183,725.20 = 167,950,172.80 : x
  2. Step 2: Convert to fraction form
    531,455,816.80/797,183,725.20 = 167,950,172.80/x
  3. Step 3: Cross multiply
    531,455,816.80x = 797,183,725.20 × 167,950,172.80
  4. Step 4: Simplify right side
    531,455,816.80x = 133,887,144,400,687,728
  5. Step 5: Solve for x
    x = 133,887,144,400,687,728/531,455,816.80
  6. Step 6: Final answer
    x = 251,925,259.20

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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.