Home / 325,817,488.80-488,726,233.20-290,104,653.60

Finding the Fourth Proportional to 325,817,488.80, 488,726,233.20 and 290,104,653.60

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Solution

The fourth proportional to 325,817,488.80, 488,726,233.20 and 290,104,653.60 is: 435,156,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,817,488.80 : 488,726,233.20 = 290,104,653.60 : x
  2. Step 2: Convert to fraction form
    325,817,488.80/488,726,233.20 = 290,104,653.60/x
  3. Step 3: Cross multiply
    325,817,488.80x = 488,726,233.20 × 290,104,653.60
  4. Step 4: Simplify right side
    325,817,488.80x = 141,781,754,587,718,832
  5. Step 5: Solve for x
    x = 141,781,754,587,718,832/325,817,488.80
  6. Step 6: Final answer
    x = 435,156,980.40

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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.