Home / 409,867,933.15-614,801,417.91-133,518,695.17

Finding the Fourth Proportional to 409,867,933.15, 614,801,417.91 and 133,518,695.17

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Solution

The fourth proportional to 409,867,933.15, 614,801,417.91 and 133,518,695.17 is: 200,277,885.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,867,933.15 : 614,801,417.91 = 133,518,695.17 : x
  2. Step 2: Convert to fraction form
    409,867,933.15/614,801,417.91 = 133,518,695.17/x
  3. Step 3: Cross multiply
    409,867,933.15x = 614,801,417.91 × 133,518,695.17
  4. Step 4: Simplify right side
    409,867,933.15x = 82,087,483,104,267,472
  5. Step 5: Solve for x
    x = 82,087,483,104,267,472/409,867,933.15
  6. Step 6: Final answer
    x = 200,277,885.79

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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.