Home / 13,269,789,550.82-18,312,185,820.80-7,248,292,650.21

Finding the Fourth Proportional to 13,269,789,550.82, 18,312,185,820.80 and 7,248,292,650.21

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Solution

The fourth proportional to 13,269,789,550.82, 18,312,185,820.80 and 7,248,292,650.21 is: 10,002,576,256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,789,550.82 : 18,312,185,820.80 = 7,248,292,650.21 : x
  2. Step 2: Convert to fraction form
    13,269,789,550.82/18,312,185,820.80 = 7,248,292,650.21/x
  3. Step 3: Cross multiply
    13,269,789,550.82x = 18,312,185,820.80 × 7,248,292,650.21
  4. Step 4: Simplify right side
    13,269,789,550.82x = 132,732,081,894,206,177,280
  5. Step 5: Solve for x
    x = 132,732,081,894,206,177,280/13,269,789,550.82
  6. Step 6: Final answer
    x = 10,002,576,256.84

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Double scale
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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.