Home / 9,087,908,138.90-13,631,862,208.35-8,138,967,089.30

Finding the Fourth Proportional to 9,087,908,138.90, 13,631,862,208.35 and 8,138,967,089.30

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Solution

The fourth proportional to 9,087,908,138.90, 13,631,862,208.35 and 8,138,967,089.30 is: 12,208,450,633.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087,908,138.90 : 13,631,862,208.35 = 8,138,967,089.30 : x
  2. Step 2: Convert to fraction form
    9,087,908,138.90/13,631,862,208.35 = 8,138,967,089.30/x
  3. Step 3: Cross multiply
    9,087,908,138.90x = 13,631,862,208.35 × 8,138,967,089.30
  4. Step 4: Simplify right side
    9,087,908,138.90x = 110,949,277,879,633,068,032
  5. Step 5: Solve for x
    x = 110,949,277,879,633,068,032/9,087,908,138.90
  6. Step 6: Final answer
    x = 12,208,450,633.95

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Double scale
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Similar ratio
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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.