Home / 403,020,374.36-604,760,928.78-218,802,828.64

Finding the Fourth Proportional to 403,020,374.36, 604,760,928.78 and 218,802,828.64

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Solution

The fourth proportional to 403,020,374.36, 604,760,928.78 and 218,802,828.64 is: 328,329,311.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,020,374.36 : 604,760,928.78 = 218,802,828.64 : x
  2. Step 2: Convert to fraction form
    403,020,374.36/604,760,928.78 = 218,802,828.64/x
  3. Step 3: Cross multiply
    403,020,374.36x = 604,760,928.78 × 218,802,828.64
  4. Step 4: Simplify right side
    403,020,374.36x = 132,323,401,868,017,568
  5. Step 5: Solve for x
    x = 132,323,401,868,017,568/403,020,374.36
  6. Step 6: Final answer
    x = 328,329,311.09

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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.