Home / 424,601,048,687.53-636,991,022,141.75-137,736,705,959.58

Finding the Fourth Proportional to 424,601,048,687.53, 636,991,022,141.75 and 137,736,705,959.58

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Solution

The fourth proportional to 424,601,048,687.53, 636,991,022,141.75 and 137,736,705,959.58 is: 206,634,075,414.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,601,048,687.53 : 636,991,022,141.75 = 137,736,705,959.58 : x
  2. Step 2: Convert to fraction form
    424,601,048,687.53/636,991,022,141.75 = 137,736,705,959.58/x
  3. Step 3: Cross multiply
    424,601,048,687.53x = 636,991,022,141.75 × 137,736,705,959.58
  4. Step 4: Simplify right side
    424,601,048,687.53x = 87,737,045,115,630,516,174,848
  5. Step 5: Solve for x
    x = 87,737,045,115,630,516,174,848/424,601,048,687.53
  6. Step 6: Final answer
    x = 206,634,075,414.63

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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.