Home / 370,258,485.12-511,008,759.72-229,174,958.52

Finding the Fourth Proportional to 370,258,485.12, 511,008,759.72 and 229,174,958.52

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Solution

The fourth proportional to 370,258,485.12, 511,008,759.72 and 229,174,958.52 is: 316,293,659.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,258,485.12 : 511,008,759.72 = 229,174,958.52 : x
  2. Step 2: Convert to fraction form
    370,258,485.12/511,008,759.72 = 229,174,958.52/x
  3. Step 3: Cross multiply
    370,258,485.12x = 511,008,759.72 × 229,174,958.52
  4. Step 4: Simplify right side
    370,258,485.12x = 117,110,411,312,187,664
  5. Step 5: Solve for x
    x = 117,110,411,312,187,664/370,258,485.12
  6. Step 6: Final answer
    x = 316,293,659.75

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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.