Home / 336,869,999.40-505,304,999.10-287,552,274.60

Finding the Fourth Proportional to 336,869,999.40, 505,304,999.10 and 287,552,274.60

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Solution

The fourth proportional to 336,869,999.40, 505,304,999.10 and 287,552,274.60 is: 431,328,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,869,999.40 : 505,304,999.10 = 287,552,274.60 : x
  2. Step 2: Convert to fraction form
    336,869,999.40/505,304,999.10 = 287,552,274.60/x
  3. Step 3: Cross multiply
    336,869,999.40x = 505,304,999.10 × 287,552,274.60
  4. Step 4: Simplify right side
    336,869,999.40x = 145,301,601,857,955,968
  5. Step 5: Solve for x
    x = 145,301,601,857,955,968/336,869,999.40
  6. Step 6: Final answer
    x = 431,328,411.90

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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.