Home / 320,342,537.51-480,255,220.50-294,485,343.12

Finding the Fourth Proportional to 320,342,537.51, 480,255,220.50 and 294,485,343.12

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Solution

The fourth proportional to 320,342,537.51, 480,255,220.50 and 294,485,343.12 is: 441,490,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,342,537.51 : 480,255,220.50 = 294,485,343.12 : x
  2. Step 2: Convert to fraction form
    320,342,537.51/480,255,220.50 = 294,485,343.12/x
  3. Step 3: Cross multiply
    320,342,537.51x = 480,255,220.50 × 294,485,343.12
  4. Step 4: Simplify right side
    320,342,537.51x = 141,428,123,393,009,440
  5. Step 5: Solve for x
    x = 141,428,123,393,009,440/320,342,537.51
  6. Step 6: Final answer
    x = 441,490,301.27

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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.