Home / 505,469,114.72-697,533,997.67-282,452,628.93

Finding the Fourth Proportional to 505,469,114.72, 697,533,997.67 and 282,452,628.93

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Solution

The fourth proportional to 505,469,114.72, 697,533,997.67 and 282,452,628.93 is: 389,777,150.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,469,114.72 : 697,533,997.67 = 282,452,628.93 : x
  2. Step 2: Convert to fraction form
    505,469,114.72/697,533,997.67 = 282,452,628.93/x
  3. Step 3: Cross multiply
    505,469,114.72x = 697,533,997.67 × 282,452,628.93
  4. Step 4: Simplify right side
    505,469,114.72x = 197,020,311,411,854,592
  5. Step 5: Solve for x
    x = 197,020,311,411,854,592/505,469,114.72
  6. Step 6: Final answer
    x = 389,777,150.92

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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.