Home / 915,131,439,874.96-1,373,006,079,376-405,119,855,758.48

Finding the Fourth Proportional to 915,131,439,874.96, 1,373,006,079,376 and 405,119,855,758.48

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Solution

The fourth proportional to 915,131,439,874.96, 1,373,006,079,376 and 405,119,855,758.48 is: 607,816,539,346.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,131,439,874.96 : 1,373,006,079,376 = 405,119,855,758.48 : x
  2. Step 2: Convert to fraction form
    915,131,439,874.96/1,373,006,079,376 = 405,119,855,758.48/x
  3. Step 3: Cross multiply
    915,131,439,874.96x = 1,373,006,079,376 × 405,119,855,758.48
  4. Step 4: Simplify right side
    915,131,439,874.96x = 556,232,024,832,321,230,209,024
  5. Step 5: Solve for x
    x = 556,232,024,832,321,230,209,024/915,131,439,874.96
  6. Step 6: Final answer
    x = 607,816,539,346.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.