Home / 424,034,129.80-635,578,802.70-165,163,313.80

Finding the Fourth Proportional to 424,034,129.80, 635,578,802.70 and 165,163,313.80

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Solution

The fourth proportional to 424,034,129.80, 635,578,802.70 and 165,163,313.80 is: 247,560,971.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,034,129.80 : 635,578,802.70 = 165,163,313.80 : x
  2. Step 2: Convert to fraction form
    424,034,129.80/635,578,802.70 = 165,163,313.80/x
  3. Step 3: Cross multiply
    424,034,129.80x = 635,578,802.70 × 165,163,313.80
  4. Step 4: Simplify right side
    424,034,129.80x = 104,974,301,234,968,400
  5. Step 5: Solve for x
    x = 104,974,301,234,968,400/424,034,129.80
  6. Step 6: Final answer
    x = 247,560,971.77

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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.