Home / 12,588,541,102.20-17,374,460,713.74-7,508,230,640.76

Finding the Fourth Proportional to 12,588,541,102.20, 17,374,460,713.74 and 7,508,230,640.76

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Solution

The fourth proportional to 12,588,541,102.20, 17,374,460,713.74 and 7,508,230,640.76 is: 10,362,714,570.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,541,102.20 : 17,374,460,713.74 = 7,508,230,640.76 : x
  2. Step 2: Convert to fraction form
    12,588,541,102.20/17,374,460,713.74 = 7,508,230,640.76/x
  3. Step 3: Cross multiply
    12,588,541,102.20x = 17,374,460,713.74 × 7,508,230,640.76
  4. Step 4: Simplify right side
    12,588,541,102.20x = 130,451,458,297,583,550,464
  5. Step 5: Solve for x
    x = 130,451,458,297,583,550,464/12,588,541,102.20
  6. Step 6: Final answer
    x = 10,362,714,570.22

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Double scale
Find fourth proportional to 12,588,541,103.20, 17,374,460,715.12 and 7,508,230,641.76
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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.