Home / 15,373,114,608.16-21,214,929,420.24-8,332,589,009.44

Finding the Fourth Proportional to 15,373,114,608.16, 21,214,929,420.24 and 8,332,589,009.44

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Solution

The fourth proportional to 15,373,114,608.16, 21,214,929,420.24 and 8,332,589,009.44 is: 11,498,989,777.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,373,114,608.16 : 21,214,929,420.24 = 8,332,589,009.44 : x
  2. Step 2: Convert to fraction form
    15,373,114,608.16/21,214,929,420.24 = 8,332,589,009.44/x
  3. Step 3: Cross multiply
    15,373,114,608.16x = 21,214,929,420.24 × 8,332,589,009.44
  4. Step 4: Simplify right side
    15,373,114,608.16x = 176,775,287,723,137,138,688
  5. Step 5: Solve for x
    x = 176,775,287,723,137,138,688/15,373,114,608.16
  6. Step 6: Final answer
    x = 11,498,989,777.21

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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.