Home / 402,213,937.48-603,317,051.16-238,333,727.68

Finding the Fourth Proportional to 402,213,937.48, 603,317,051.16 and 238,333,727.68

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Solution

The fourth proportional to 402,213,937.48, 603,317,051.16 and 238,333,727.68 is: 357,498,307.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,213,937.48 : 603,317,051.16 = 238,333,727.68 : x
  2. Step 2: Convert to fraction form
    402,213,937.48/603,317,051.16 = 238,333,727.68/x
  3. Step 3: Cross multiply
    402,213,937.48x = 603,317,051.16 × 238,333,727.68
  4. Step 4: Simplify right side
    402,213,937.48x = 143,790,801,775,868,064
  5. Step 5: Solve for x
    x = 143,790,801,775,868,064/402,213,937.48
  6. Step 6: Final answer
    x = 357,498,307.19

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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.