Home / 1,055,669,923.92-1,583,453,381.76-391,813,115.52

Finding the Fourth Proportional to 1,055,669,923.92, 1,583,453,381.76 and 391,813,115.52

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Solution

The fourth proportional to 1,055,669,923.92, 1,583,453,381.76 and 391,813,115.52 is: 587,700,557.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,669,923.92 : 1,583,453,381.76 = 391,813,115.52 : x
  2. Step 2: Convert to fraction form
    1,055,669,923.92/1,583,453,381.76 = 391,813,115.52/x
  3. Step 3: Cross multiply
    1,055,669,923.92x = 1,583,453,381.76 × 391,813,115.52
  4. Step 4: Simplify right side
    1,055,669,923.92x = 620,417,802,788,065,536
  5. Step 5: Solve for x
    x = 620,417,802,788,065,536/1,055,669,923.92
  6. Step 6: Final answer
    x = 587,700,557.47

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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.