Home / 402,214,018.23-603,317,172.29-238,333,808.43

Finding the Fourth Proportional to 402,214,018.23, 603,317,172.29 and 238,333,808.43

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Solution

The fourth proportional to 402,214,018.23, 603,317,172.29 and 238,333,808.43 is: 357,498,428.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,214,018.23 : 603,317,172.29 = 238,333,808.43 : x
  2. Step 2: Convert to fraction form
    402,214,018.23/603,317,172.29 = 238,333,808.43/x
  3. Step 3: Cross multiply
    402,214,018.23x = 603,317,172.29 × 238,333,808.43
  4. Step 4: Simplify right side
    402,214,018.23x = 143,790,879,361,902,496
  5. Step 5: Solve for x
    x = 143,790,879,361,902,496/402,214,018.23
  6. Step 6: Final answer
    x = 357,498,428.31

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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.