Home / 420,232,851.68-631,305,871.31-304,006,704.98

Finding the Fourth Proportional to 420,232,851.68, 631,305,871.31 and 304,006,704.98

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Solution

The fourth proportional to 420,232,851.68, 631,305,871.31 and 304,006,704.98 is: 456,702,080.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,232,851.68 : 631,305,871.31 = 304,006,704.98 : x
  2. Step 2: Convert to fraction form
    420,232,851.68/631,305,871.31 = 304,006,704.98/x
  3. Step 3: Cross multiply
    420,232,851.68x = 631,305,871.31 × 304,006,704.98
  4. Step 4: Simplify right side
    420,232,851.68x = 191,921,217,766,804,448
  5. Step 5: Solve for x
    x = 191,921,217,766,804,448/420,232,851.68
  6. Step 6: Final answer
    x = 456,702,080.77

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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.