Home / 8,870,497,333.20-13,305,745,999.80-7,419,309,109.20

Finding the Fourth Proportional to 8,870,497,333.20, 13,305,745,999.80 and 7,419,309,109.20

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Solution

The fourth proportional to 8,870,497,333.20, 13,305,745,999.80 and 7,419,309,109.20 is: 11,128,963,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,497,333.20 : 13,305,745,999.80 = 7,419,309,109.20 : x
  2. Step 2: Convert to fraction form
    8,870,497,333.20/13,305,745,999.80 = 7,419,309,109.20/x
  3. Step 3: Cross multiply
    8,870,497,333.20x = 13,305,745,999.80 × 7,419,309,109.20
  4. Step 4: Simplify right side
    8,870,497,333.20x = 98,719,442,501,017,600,000
  5. Step 5: Solve for x
    x = 98,719,442,501,017,600,000/8,870,497,333.20
  6. Step 6: Final answer
    x = 11,128,963,663.80

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1.5x scale

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.