Home / 1,376,526,150.81-2,064,787,356.33-639,192,866.76

Finding the Fourth Proportional to 1,376,526,150.81, 2,064,787,356.33 and 639,192,866.76

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Solution

The fourth proportional to 1,376,526,150.81, 2,064,787,356.33 and 639,192,866.76 is: 958,788,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,526,150.81 : 2,064,787,356.33 = 639,192,866.76 : x
  2. Step 2: Convert to fraction form
    1,376,526,150.81/2,064,787,356.33 = 639,192,866.76/x
  3. Step 3: Cross multiply
    1,376,526,150.81x = 2,064,787,356.33 × 639,192,866.76
  4. Step 4: Simplify right side
    1,376,526,150.81x = 1,319,797,349,542,374,144
  5. Step 5: Solve for x
    x = 1,319,797,349,542,374,144/1,376,526,150.81
  6. Step 6: Final answer
    x = 958,788,431.85

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Double scale
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1.5x scale

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.