Home / 399,334,837.75-601,728,011.08-328,146,322.91

Finding the Fourth Proportional to 399,334,837.75, 601,728,011.08 and 328,146,322.91

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Solution

The fourth proportional to 399,334,837.75, 601,728,011.08 and 328,146,322.91 is: 494,459,324.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,334,837.75 : 601,728,011.08 = 328,146,322.91 : x
  2. Step 2: Convert to fraction form
    399,334,837.75/601,728,011.08 = 328,146,322.91/x
  3. Step 3: Cross multiply
    399,334,837.75x = 601,728,011.08 × 328,146,322.91
  4. Step 4: Simplify right side
    399,334,837.75x = 197,454,834,224,020,704
  5. Step 5: Solve for x
    x = 197,454,834,224,020,704/399,334,837.75
  6. Step 6: Final answer
    x = 494,459,324.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.