Home / 72,485,362,992.40-108,728,044,488.60-22,813,911,062.80

Finding the Fourth Proportional to 72,485,362,992.40, 108,728,044,488.60 and 22,813,911,062.80

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Solution

The fourth proportional to 72,485,362,992.40, 108,728,044,488.60 and 22,813,911,062.80 is: 34,220,866,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,485,362,992.40 : 108,728,044,488.60 = 22,813,911,062.80 : x
  2. Step 2: Convert to fraction form
    72,485,362,992.40/108,728,044,488.60 = 22,813,911,062.80/x
  3. Step 3: Cross multiply
    72,485,362,992.40x = 108,728,044,488.60 × 22,813,911,062.80
  4. Step 4: Simplify right side
    72,485,362,992.40x = 2,480,511,936,995,082,108,928
  5. Step 5: Solve for x
    x = 2,480,511,936,995,082,108,928/72,485,362,992.40
  6. Step 6: Final answer
    x = 34,220,866,594.20

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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.