Home / 611,469,648.76-917,135,786.44-168,875,248.86

Finding the Fourth Proportional to 611,469,648.76, 917,135,786.44 and 168,875,248.86

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Solution

The fourth proportional to 611,469,648.76, 917,135,786.44 and 168,875,248.86 is: 253,293,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,469,648.76 : 917,135,786.44 = 168,875,248.86 : x
  2. Step 2: Convert to fraction form
    611,469,648.76/917,135,786.44 = 168,875,248.86/x
  3. Step 3: Cross multiply
    611,469,648.76x = 917,135,786.44 × 168,875,248.86
  4. Step 4: Simplify right side
    611,469,648.76x = 154,881,534,173,466,848
  5. Step 5: Solve for x
    x = 154,881,534,173,466,848/611,469,648.76
  6. Step 6: Final answer
    x = 253,293,903.45

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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.