Home / 419,153,256,436.73-578,908,629,015.90-281,737,511,160.72

Finding the Fourth Proportional to 419,153,256,436.73, 578,908,629,015.90 and 281,737,511,160.72

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Solution

The fourth proportional to 419,153,256,436.73, 578,908,629,015.90 and 281,737,511,160.72 is: 389,118,475,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,153,256,436.73 : 578,908,629,015.90 = 281,737,511,160.72 : x
  2. Step 2: Convert to fraction form
    419,153,256,436.73/578,908,629,015.90 = 281,737,511,160.72/x
  3. Step 3: Cross multiply
    419,153,256,436.73x = 578,908,629,015.90 × 281,737,511,160.72
  4. Step 4: Simplify right side
    419,153,256,436.73x = 163,100,276,328,404,223,000,576
  5. Step 5: Solve for x
    x = 163,100,276,328,404,223,000,576/419,153,256,436.73
  6. Step 6: Final answer
    x = 389,118,475,936.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.