Home / 352,195,878.53-485,921,318.63-203,462,731.24

Finding the Fourth Proportional to 352,195,878.53, 485,921,318.63 and 203,462,731.24

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Solution

The fourth proportional to 352,195,878.53, 485,921,318.63 and 203,462,731.24 is: 280,715,603.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,195,878.53 : 485,921,318.63 = 203,462,731.24 : x
  2. Step 2: Convert to fraction form
    352,195,878.53/485,921,318.63 = 203,462,731.24/x
  3. Step 3: Cross multiply
    352,195,878.53x = 485,921,318.63 × 203,462,731.24
  4. Step 4: Simplify right side
    352,195,878.53x = 98,866,878,653,969,984
  5. Step 5: Solve for x
    x = 98,866,878,653,969,984/352,195,878.53
  6. Step 6: Final answer
    x = 280,715,603.67

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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.