Home / 874,802,266.40-1,312,392,356.40-261,448,493.60

Finding the Fourth Proportional to 874,802,266.40, 1,312,392,356.40 and 261,448,493.60

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Solution

The fourth proportional to 874,802,266.40, 1,312,392,356.40 and 261,448,493.60 is: 392,229,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,802,266.40 : 1,312,392,356.40 = 261,448,493.60 : x
  2. Step 2: Convert to fraction form
    874,802,266.40/1,312,392,356.40 = 261,448,493.60/x
  3. Step 3: Cross multiply
    874,802,266.40x = 1,312,392,356.40 × 261,448,493.60
  4. Step 4: Simplify right side
    874,802,266.40x = 343,123,004,592,934,336
  5. Step 5: Solve for x
    x = 343,123,004,592,934,336/874,802,266.40
  6. Step 6: Final answer
    x = 392,229,213.13

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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.