Home / 1,376,526,151.81-2,064,787,357.83-639,192,867.76

Finding the Fourth Proportional to 1,376,526,151.81, 2,064,787,357.83 and 639,192,867.76

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Solution

The fourth proportional to 1,376,526,151.81, 2,064,787,357.83 and 639,192,867.76 is: 958,788,433.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,526,151.81 : 2,064,787,357.83 = 639,192,867.76 : x
  2. Step 2: Convert to fraction form
    1,376,526,151.81/2,064,787,357.83 = 639,192,867.76/x
  3. Step 3: Cross multiply
    1,376,526,151.81x = 2,064,787,357.83 × 639,192,867.76
  4. Step 4: Simplify right side
    1,376,526,151.81x = 1,319,797,352,565,950,976
  5. Step 5: Solve for x
    x = 1,319,797,352,565,950,976/1,376,526,151.81
  6. Step 6: Final answer
    x = 958,788,433.35

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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.