Home / 16,929,814,522.51-25,377,947,682.38-7,949,928,909.40

Finding the Fourth Proportional to 16,929,814,522.51, 25,377,947,682.38 and 7,949,928,909.40

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Solution

The fourth proportional to 16,929,814,522.51, 25,377,947,682.38 and 7,949,928,909.40 is: 11,917,016,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929,814,522.51 : 25,377,947,682.38 = 7,949,928,909.40 : x
  2. Step 2: Convert to fraction form
    16,929,814,522.51/25,377,947,682.38 = 7,949,928,909.40/x
  3. Step 3: Cross multiply
    16,929,814,522.51x = 25,377,947,682.38 × 7,949,928,909.40
  4. Step 4: Simplify right side
    16,929,814,522.51x = 201,752,879,941,345,935,360
  5. Step 5: Solve for x
    x = 201,752,879,941,345,935,360/16,929,814,522.51
  6. Step 6: Final answer
    x = 11,917,016,555.21

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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.