Home / 455,546,127.72-628,650,525.96-246,697,491.12

Finding the Fourth Proportional to 455,546,127.72, 628,650,525.96 and 246,697,491.12

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Solution

The fourth proportional to 455,546,127.72, 628,650,525.96 and 246,697,491.12 is: 340,440,842.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,546,127.72 : 628,650,525.96 = 246,697,491.12 : x
  2. Step 2: Convert to fraction form
    455,546,127.72/628,650,525.96 = 246,697,491.12/x
  3. Step 3: Cross multiply
    455,546,127.72x = 628,650,525.96 × 246,697,491.12
  4. Step 4: Simplify right side
    455,546,127.72x = 155,086,507,545,600,448
  5. Step 5: Solve for x
    x = 155,086,507,545,600,448/455,546,127.72
  6. Step 6: Final answer
    x = 340,440,842.56

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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.