Home / 18,187,557,749.70-27,281,336,624.55-8,877,278,300.10

Finding the Fourth Proportional to 18,187,557,749.70, 27,281,336,624.55 and 8,877,278,300.10

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Solution

The fourth proportional to 18,187,557,749.70, 27,281,336,624.55 and 8,877,278,300.10 is: 13,315,917,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,557,749.70 : 27,281,336,624.55 = 8,877,278,300.10 : x
  2. Step 2: Convert to fraction form
    18,187,557,749.70/27,281,336,624.55 = 8,877,278,300.10/x
  3. Step 3: Cross multiply
    18,187,557,749.70x = 27,281,336,624.55 × 8,877,278,300.10
  4. Step 4: Simplify right side
    18,187,557,749.70x = 242,184,017,614,841,085,952
  5. Step 5: Solve for x
    x = 242,184,017,614,841,085,952/18,187,557,749.70
  6. Step 6: Final answer
    x = 13,315,917,450.15

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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.