Home / 12,637,546,345.35-17,431,416,595.08-8,127,127,879.29

Finding the Fourth Proportional to 12,637,546,345.35, 17,431,416,595.08 and 8,127,127,879.29

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Solution

The fourth proportional to 12,637,546,345.35, 17,431,416,595.08 and 8,127,127,879.29 is: 11,210,036,182.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637,546,345.35 : 17,431,416,595.08 = 8,127,127,879.29 : x
  2. Step 2: Convert to fraction form
    12,637,546,345.35/17,431,416,595.08 = 8,127,127,879.29/x
  3. Step 3: Cross multiply
    12,637,546,345.35x = 17,431,416,595.08 × 8,127,127,879.29
  4. Step 4: Simplify right side
    12,637,546,345.35x = 141,667,351,785,393,045,504
  5. Step 5: Solve for x
    x = 141,667,351,785,393,045,504/12,637,546,345.35
  6. Step 6: Final answer
    x = 11,210,036,182.18

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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.