Home / 505,529,720.10-758,294,580.15-448,134,092.10

Finding the Fourth Proportional to 505,529,720.10, 758,294,580.15 and 448,134,092.10

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Solution

The fourth proportional to 505,529,720.10, 758,294,580.15 and 448,134,092.10 is: 672,201,138.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,529,720.10 : 758,294,580.15 = 448,134,092.10 : x
  2. Step 2: Convert to fraction form
    505,529,720.10/758,294,580.15 = 448,134,092.10/x
  3. Step 3: Cross multiply
    505,529,720.10x = 758,294,580.15 × 448,134,092.10
  4. Step 4: Simplify right side
    505,529,720.10x = 339,817,653,219,870,912
  5. Step 5: Solve for x
    x = 339,817,653,219,870,912/505,529,720.10
  6. Step 6: Final answer
    x = 672,201,138.15

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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.