Home / 370,272,124.80-511,027,619.76-229,188,629.52

Finding the Fourth Proportional to 370,272,124.80, 511,027,619.76 and 229,188,629.52

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Solution

The fourth proportional to 370,272,124.80, 511,027,619.76 and 229,188,629.52 is: 316,312,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,272,124.80 : 511,027,619.76 = 229,188,629.52 : x
  2. Step 2: Convert to fraction form
    370,272,124.80/511,027,619.76 = 229,188,629.52/x
  3. Step 3: Cross multiply
    370,272,124.80x = 511,027,619.76 × 229,188,629.52
  4. Step 4: Simplify right side
    370,272,124.80x = 117,121,719,819,662,080
  5. Step 5: Solve for x
    x = 117,121,719,819,662,080/370,272,124.80
  6. Step 6: Final answer
    x = 316,312,549.54

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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.