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Finding the Fourth Proportional to 336,990,534.30, 505,485,801.45 and 275,768,531.10

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Solution

The fourth proportional to 336,990,534.30, 505,485,801.45 and 275,768,531.10 is: 413,652,796.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,990,534.30 : 505,485,801.45 = 275,768,531.10 : x
  2. Step 2: Convert to fraction form
    336,990,534.30/505,485,801.45 = 275,768,531.10/x
  3. Step 3: Cross multiply
    336,990,534.30x = 505,485,801.45 × 275,768,531.10
  4. Step 4: Simplify right side
    336,990,534.30x = 139,397,076,957,772,752
  5. Step 5: Solve for x
    x = 139,397,076,957,772,752/336,990,534.30
  6. Step 6: Final answer
    x = 413,652,796.65

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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.