Home / 515,463,947.48-773,268,553.96-165,592,698.14

Finding the Fourth Proportional to 515,463,947.48, 773,268,553.96 and 165,592,698.14

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Solution

The fourth proportional to 515,463,947.48, 773,268,553.96 and 165,592,698.14 is: 248,412,380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,463,947.48 : 773,268,553.96 = 165,592,698.14 : x
  2. Step 2: Convert to fraction form
    515,463,947.48/773,268,553.96 = 165,592,698.14/x
  3. Step 3: Cross multiply
    515,463,947.48x = 773,268,553.96 × 165,592,698.14
  4. Step 4: Simplify right side
    515,463,947.48x = 128,047,626,238,571,776
  5. Step 5: Solve for x
    x = 128,047,626,238,571,776/515,463,947.48
  6. Step 6: Final answer
    x = 248,412,380.47

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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.