Home / 505,554,824.12-697,687,203.46-282,536,499.16

Finding the Fourth Proportional to 505,554,824.12, 697,687,203.46 and 282,536,499.16

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Solution

The fourth proportional to 505,554,824.12, 697,687,203.46 and 282,536,499.16 is: 389,912,410.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,554,824.12 : 697,687,203.46 = 282,536,499.16 : x
  2. Step 2: Convert to fraction form
    505,554,824.12/697,687,203.46 = 282,536,499.16/x
  3. Step 3: Cross multiply
    505,554,824.12x = 697,687,203.46 × 282,536,499.16
  4. Step 4: Simplify right side
    505,554,824.12x = 197,122,099,974,319,072
  5. Step 5: Solve for x
    x = 197,122,099,974,319,072/505,554,824.12
  6. Step 6: Final answer
    x = 389,912,410.23

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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.