Home / 458,291,848.66-687,419,130.03-113,236,786.42

Finding the Fourth Proportional to 458,291,848.66, 687,419,130.03 and 113,236,786.42

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Solution

The fourth proportional to 458,291,848.66, 687,419,130.03 and 113,236,786.42 is: 169,850,573.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,291,848.66 : 687,419,130.03 = 113,236,786.42 : x
  2. Step 2: Convert to fraction form
    458,291,848.66/687,419,130.03 = 113,236,786.42/x
  3. Step 3: Cross multiply
    458,291,848.66x = 687,419,130.03 × 113,236,786.42
  4. Step 4: Simplify right side
    458,291,848.66x = 77,841,133,208,229,312
  5. Step 5: Solve for x
    x = 77,841,133,208,229,312/458,291,848.66
  6. Step 6: Final answer
    x = 169,850,573.24

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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.