Home / 455,254,807.96-682,882,704.42-213,087,773.08

Finding the Fourth Proportional to 455,254,807.96, 682,882,704.42 and 213,087,773.08

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Solution

The fourth proportional to 455,254,807.96, 682,882,704.42 and 213,087,773.08 is: 319,631,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,254,807.96 : 682,882,704.42 = 213,087,773.08 : x
  2. Step 2: Convert to fraction form
    455,254,807.96/682,882,704.42 = 213,087,773.08/x
  3. Step 3: Cross multiply
    455,254,807.96x = 682,882,704.42 × 213,087,773.08
  4. Step 4: Simplify right side
    455,254,807.96x = 145,513,954,759,705,664
  5. Step 5: Solve for x
    x = 145,513,954,759,705,664/455,254,807.96
  6. Step 6: Final answer
    x = 319,631,890.13

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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.