Home / 18,638,734,725.64-27,958,206,604.88-6,217,031,196.28

Finding the Fourth Proportional to 18,638,734,725.64, 27,958,206,604.88 and 6,217,031,196.28

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Solution

The fourth proportional to 18,638,734,725.64, 27,958,206,604.88 and 6,217,031,196.28 is: 9,325,581,656.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,638,734,725.64 : 27,958,206,604.88 = 6,217,031,196.28 : x
  2. Step 2: Convert to fraction form
    18,638,734,725.64/27,958,206,604.88 = 6,217,031,196.28/x
  3. Step 3: Cross multiply
    18,638,734,725.64x = 27,958,206,604.88 × 6,217,031,196.28
  4. Step 4: Simplify right side
    18,638,734,725.64x = 173,817,042,654,580,506,624
  5. Step 5: Solve for x
    x = 173,817,042,654,580,506,624/18,638,734,725.64
  6. Step 6: Final answer
    x = 9,325,581,656.33

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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.