Home / 420,232,851.24-631,305,870.65-304,006,704.54

Finding the Fourth Proportional to 420,232,851.24, 631,305,870.65 and 304,006,704.54

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Solution

The fourth proportional to 420,232,851.24, 631,305,870.65 and 304,006,704.54 is: 456,702,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,232,851.24 : 631,305,870.65 = 304,006,704.54 : x
  2. Step 2: Convert to fraction form
    420,232,851.24/631,305,870.65 = 304,006,704.54/x
  3. Step 3: Cross multiply
    420,232,851.24x = 631,305,870.65 × 304,006,704.54
  4. Step 4: Simplify right side
    420,232,851.24x = 191,921,217,291,541,984
  5. Step 5: Solve for x
    x = 191,921,217,291,541,984/420,232,851.24
  6. Step 6: Final answer
    x = 456,702,080.11

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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.