Home / 316,927,998.80-475,391,998.20-273,090,021.20

Finding the Fourth Proportional to 316,927,998.80, 475,391,998.20 and 273,090,021.20

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Solution

The fourth proportional to 316,927,998.80, 475,391,998.20 and 273,090,021.20 is: 409,635,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,927,998.80 : 475,391,998.20 = 273,090,021.20 : x
  2. Step 2: Convert to fraction form
    316,927,998.80/475,391,998.20 = 273,090,021.20/x
  3. Step 3: Cross multiply
    316,927,998.80x = 475,391,998.20 × 273,090,021.20
  4. Step 4: Simplify right side
    316,927,998.80x = 129,824,810,866,748,352
  5. Step 5: Solve for x
    x = 129,824,810,866,748,352/316,927,998.80
  6. Step 6: Final answer
    x = 409,635,031.80

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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.