Home / 980,330,128.65-1,470,494,294.52-307,290,052.62

Finding the Fourth Proportional to 980,330,128.65, 1,470,494,294.52 and 307,290,052.62

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Solution

The fourth proportional to 980,330,128.65, 1,470,494,294.52 and 307,290,052.62 is: 460,934,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,330,128.65 : 1,470,494,294.52 = 307,290,052.62 : x
  2. Step 2: Convert to fraction form
    980,330,128.65/1,470,494,294.52 = 307,290,052.62/x
  3. Step 3: Cross multiply
    980,330,128.65x = 1,470,494,294.52 × 307,290,052.62
  4. Step 4: Simplify right side
    980,330,128.65x = 451,868,269,140,460,608
  5. Step 5: Solve for x
    x = 451,868,269,140,460,608/980,330,128.65
  6. Step 6: Final answer
    x = 460,934,797.30

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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.