Home / 12,457,573,687.11-17,191,558,879.55-7,105,405,032.39

Finding the Fourth Proportional to 12,457,573,687.11, 17,191,558,879.55 and 7,105,405,032.39

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Solution

The fourth proportional to 12,457,573,687.11, 17,191,558,879.55 and 7,105,405,032.39 is: 9,805,520,083.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,573,687.11 : 17,191,558,879.55 = 7,105,405,032.39 : x
  2. Step 2: Convert to fraction form
    12,457,573,687.11/17,191,558,879.55 = 7,105,405,032.39/x
  3. Step 3: Cross multiply
    12,457,573,687.11x = 17,191,558,879.55 × 7,105,405,032.39
  4. Step 4: Simplify right side
    12,457,573,687.11x = 122,152,988,977,262,067,712
  5. Step 5: Solve for x
    x = 122,152,988,977,262,067,712/12,457,573,687.11
  6. Step 6: Final answer
    x = 9,805,520,083.23

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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.