Home / 3,128,817,786.17-4,693,228,364.55-1,163,415,486.65

Finding the Fourth Proportional to 3,128,817,786.17, 4,693,228,364.55 and 1,163,415,486.65

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Solution

The fourth proportional to 3,128,817,786.17, 4,693,228,364.55 and 1,163,415,486.65 is: 1,745,123,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,817,786.17 : 4,693,228,364.55 = 1,163,415,486.65 : x
  2. Step 2: Convert to fraction form
    3,128,817,786.17/4,693,228,364.55 = 1,163,415,486.65/x
  3. Step 3: Cross multiply
    3,128,817,786.17x = 4,693,228,364.55 × 1,163,415,486.65
  4. Step 4: Simplify right side
    3,128,817,786.17x = 5,460,174,561,679,055,872
  5. Step 5: Solve for x
    x = 5,460,174,561,679,055,872/3,128,817,786.17
  6. Step 6: Final answer
    x = 1,745,123,856.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.