Home / 290,228,457.04-400,515,270.84-159,848,265.04

Finding the Fourth Proportional to 290,228,457.04, 400,515,270.84 and 159,848,265.04

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Solution

The fourth proportional to 290,228,457.04, 400,515,270.84 and 159,848,265.04 is: 220,590,605.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,228,457.04 : 400,515,270.84 = 159,848,265.04 : x
  2. Step 2: Convert to fraction form
    290,228,457.04/400,515,270.84 = 159,848,265.04/x
  3. Step 3: Cross multiply
    290,228,457.04x = 400,515,270.84 × 159,848,265.04
  4. Step 4: Simplify right side
    290,228,457.04x = 64,021,671,165,799,696
  5. Step 5: Solve for x
    x = 64,021,671,165,799,696/290,228,457.04
  6. Step 6: Final answer
    x = 220,590,605.82

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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.