Home / 442,870,602.60-664,305,903.90-328,079,346.60

Finding the Fourth Proportional to 442,870,602.60, 664,305,903.90 and 328,079,346.60

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Solution

The fourth proportional to 442,870,602.60, 664,305,903.90 and 328,079,346.60 is: 492,119,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,870,602.60 : 664,305,903.90 = 328,079,346.60 : x
  2. Step 2: Convert to fraction form
    442,870,602.60/664,305,903.90 = 328,079,346.60/x
  3. Step 3: Cross multiply
    442,870,602.60x = 664,305,903.90 × 328,079,346.60
  4. Step 4: Simplify right side
    442,870,602.60x = 217,945,046,894,034,400
  5. Step 5: Solve for x
    x = 217,945,046,894,034,400/442,870,602.60
  6. Step 6: Final answer
    x = 492,119,019.90

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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.