Home / 420,232,859.00-631,305,882.27-304,006,712.30

Finding the Fourth Proportional to 420,232,859.00, 631,305,882.27 and 304,006,712.30

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Solution

The fourth proportional to 420,232,859.00, 631,305,882.27 and 304,006,712.30 is: 456,702,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,232,859.00 : 631,305,882.27 = 304,006,712.30 : x
  2. Step 2: Convert to fraction form
    420,232,859.00/631,305,882.27 = 304,006,712.30/x
  3. Step 3: Cross multiply
    420,232,859.00x = 631,305,882.27 × 304,006,712.30
  4. Step 4: Simplify right side
    420,232,859.00x = 191,921,225,721,397,024
  5. Step 5: Solve for x
    x = 191,921,225,721,397,024/420,232,859.00
  6. Step 6: Final answer
    x = 456,702,091.74

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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.