Home / 5,189,529,538.96-7,161,666,398.76-2,961,817,029.52

Finding the Fourth Proportional to 5,189,529,538.96, 7,161,666,398.76 and 2,961,817,029.52

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Solution

The fourth proportional to 5,189,529,538.96, 7,161,666,398.76 and 2,961,817,029.52 is: 4,087,373,497.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,529,538.96 : 7,161,666,398.76 = 2,961,817,029.52 : x
  2. Step 2: Convert to fraction form
    5,189,529,538.96/7,161,666,398.76 = 2,961,817,029.52/x
  3. Step 3: Cross multiply
    5,189,529,538.96x = 7,161,666,398.76 × 2,961,817,029.52
  4. Step 4: Simplify right side
    5,189,529,538.96x = 21,211,545,499,588,538,368
  5. Step 5: Solve for x
    x = 21,211,545,499,588,538,368/5,189,529,538.96
  6. Step 6: Final answer
    x = 4,087,373,497.03

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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.