Home / 1,238,922,315.66-1,857,704,216.34-491,180,594.08

Finding the Fourth Proportional to 1,238,922,315.66, 1,857,704,216.34 and 491,180,594.08

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Solution

The fourth proportional to 1,238,922,315.66, 1,857,704,216.34 and 491,180,594.08 is: 736,501,594.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,922,315.66 : 1,857,704,216.34 = 491,180,594.08 : x
  2. Step 2: Convert to fraction form
    1,238,922,315.66/1,857,704,216.34 = 491,180,594.08/x
  3. Step 3: Cross multiply
    1,238,922,315.66x = 1,857,704,216.34 × 491,180,594.08
  4. Step 4: Simplify right side
    1,238,922,315.66x = 912,468,260,606,801,920
  5. Step 5: Solve for x
    x = 912,468,260,606,801,920/1,238,922,315.66
  6. Step 6: Final answer
    x = 736,501,594.23

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Double scale
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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.