Home / 340,848,164.80-510,264,477.60-320,916,721.60

Finding the Fourth Proportional to 340,848,164.80, 510,264,477.60 and 320,916,721.60

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Solution

The fourth proportional to 340,848,164.80, 510,264,477.60 and 320,916,721.60 is: 480,426,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,848,164.80 : 510,264,477.60 = 320,916,721.60 : x
  2. Step 2: Convert to fraction form
    340,848,164.80/510,264,477.60 = 320,916,721.60/x
  3. Step 3: Cross multiply
    340,848,164.80x = 510,264,477.60 × 320,916,721.60
  4. Step 4: Simplify right side
    340,848,164.80x = 163,752,403,300,328,640
  5. Step 5: Solve for x
    x = 163,752,403,300,328,640/340,848,164.80
  6. Step 6: Final answer
    x = 480,426,243.15

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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.