Home / 325,605,608.64-488,011,020.48-152,851,815.36

Finding the Fourth Proportional to 325,605,608.64, 488,011,020.48 and 152,851,815.36

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Solution

The fourth proportional to 325,605,608.64, 488,011,020.48 and 152,851,815.36 is: 229,091,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,605,608.64 : 488,011,020.48 = 152,851,815.36 : x
  2. Step 2: Convert to fraction form
    325,605,608.64/488,011,020.48 = 152,851,815.36/x
  3. Step 3: Cross multiply
    325,605,608.64x = 488,011,020.48 × 152,851,815.36
  4. Step 4: Simplify right side
    325,605,608.64x = 74,593,370,396,054,144
  5. Step 5: Solve for x
    x = 74,593,370,396,054,144/325,605,608.64
  6. Step 6: Final answer
    x = 229,091,171.70

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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.