Home / 312,884,865.20-469,327,297.80-183,554,433.20

Finding the Fourth Proportional to 312,884,865.20, 469,327,297.80 and 183,554,433.20

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Solution

The fourth proportional to 312,884,865.20, 469,327,297.80 and 183,554,433.20 is: 275,331,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,884,865.20 : 469,327,297.80 = 183,554,433.20 : x
  2. Step 2: Convert to fraction form
    312,884,865.20/469,327,297.80 = 183,554,433.20/x
  3. Step 3: Cross multiply
    312,884,865.20x = 469,327,297.80 × 183,554,433.20
  4. Step 4: Simplify right side
    312,884,865.20x = 86,147,106,132,966,608
  5. Step 5: Solve for x
    x = 86,147,106,132,966,608/312,884,865.20
  6. Step 6: Final answer
    x = 275,331,649.80

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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.