Home / 424,601,048,711.85-636,991,022,178.10-137,736,705,983.89

Finding the Fourth Proportional to 424,601,048,711.85, 636,991,022,178.10 and 137,736,705,983.89

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Solution

The fourth proportional to 424,601,048,711.85, 636,991,022,178.10 and 137,736,705,983.89 is: 206,634,075,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,601,048,711.85 : 636,991,022,178.10 = 137,736,705,983.89 : x
  2. Step 2: Convert to fraction form
    424,601,048,711.85/636,991,022,178.10 = 137,736,705,983.89/x
  3. Step 3: Cross multiply
    424,601,048,711.85x = 636,991,022,178.10 × 137,736,705,983.89
  4. Step 4: Simplify right side
    424,601,048,711.85x = 87,737,045,136,122,526,564,352
  5. Step 5: Solve for x
    x = 87,737,045,136,122,526,564,352/424,601,048,711.85
  6. Step 6: Final answer
    x = 206,634,075,451.06

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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.