Home / 38,983,145,455.67-53,797,056,596.52-21,602,345,997.42

Finding the Fourth Proportional to 38,983,145,455.67, 53,797,056,596.52 and 21,602,345,997.42

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Solution

The fourth proportional to 38,983,145,455.67, 53,797,056,596.52 and 21,602,345,997.42 is: 29,811,412,513.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,983,145,455.67 : 53,797,056,596.52 = 21,602,345,997.42 : x
  2. Step 2: Convert to fraction form
    38,983,145,455.67/53,797,056,596.52 = 21,602,345,997.42/x
  3. Step 3: Cross multiply
    38,983,145,455.67x = 53,797,056,596.52 × 21,602,345,997.42
  4. Step 4: Simplify right side
    38,983,145,455.67x = 1,162,142,630,240,810,827,776
  5. Step 5: Solve for x
    x = 1,162,142,630,240,810,827,776/38,983,145,455.67
  6. Step 6: Final answer
    x = 29,811,412,513.19

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Double scale
Find fourth proportional to 38,983,145,456.67, 53,797,056,597.90 and 21,602,345,998.42
Similar ratio
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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.