Home / 874,802,090.40-1,312,392,092.40-261,448,317.60

Finding the Fourth Proportional to 874,802,090.40, 1,312,392,092.40 and 261,448,317.60

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Solution

The fourth proportional to 874,802,090.40, 1,312,392,092.40 and 261,448,317.60 is: 392,228,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,802,090.40 : 1,312,392,092.40 = 261,448,317.60 : x
  2. Step 2: Convert to fraction form
    874,802,090.40/1,312,392,092.40 = 261,448,317.60/x
  3. Step 3: Cross multiply
    874,802,090.40x = 1,312,392,092.40 × 261,448,317.60
  4. Step 4: Simplify right side
    874,802,090.40x = 343,122,704,589,523,776
  5. Step 5: Solve for x
    x = 343,122,704,589,523,776/874,802,090.40
  6. Step 6: Final answer
    x = 392,228,949.10

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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.