Home / 13,306,729,039.02-18,363,431,192.67-7,366,380,743.34

Finding the Fourth Proportional to 13,306,729,039.02, 18,363,431,192.67 and 7,366,380,743.34

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Solution

The fourth proportional to 13,306,729,039.02, 18,363,431,192.67 and 7,366,380,743.34 is: 10,165,685,761.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,729,039.02 : 18,363,431,192.67 = 7,366,380,743.34 : x
  2. Step 2: Convert to fraction form
    13,306,729,039.02/18,363,431,192.67 = 7,366,380,743.34/x
  3. Step 3: Cross multiply
    13,306,729,039.02x = 18,363,431,192.67 × 7,366,380,743.34
  4. Step 4: Simplify right side
    13,306,729,039.02x = 135,272,025,919,333,367,808
  5. Step 5: Solve for x
    x = 135,272,025,919,333,367,808/13,306,729,039.02
  6. Step 6: Final answer
    x = 10,165,685,761.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.