Home / 13,121,763,477.60-19,682,645,216.40-3,930,904,725.60

Finding the Fourth Proportional to 13,121,763,477.60, 19,682,645,216.40 and 3,930,904,725.60

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Solution

The fourth proportional to 13,121,763,477.60, 19,682,645,216.40 and 3,930,904,725.60 is: 5,896,357,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,763,477.60 : 19,682,645,216.40 = 3,930,904,725.60 : x
  2. Step 2: Convert to fraction form
    13,121,763,477.60/19,682,645,216.40 = 3,930,904,725.60/x
  3. Step 3: Cross multiply
    13,121,763,477.60x = 19,682,645,216.40 × 3,930,904,725.60
  4. Step 4: Simplify right side
    13,121,763,477.60x = 77,370,603,093,454,995,456
  5. Step 5: Solve for x
    x = 77,370,603,093,454,995,456/13,121,763,477.60
  6. Step 6: Final answer
    x = 5,896,357,088.40

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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.