Home / 18,423,306,977.20-27,634,960,465.80-7,389,741,511.60

Finding the Fourth Proportional to 18,423,306,977.20, 27,634,960,465.80 and 7,389,741,511.60

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Solution

The fourth proportional to 18,423,306,977.20, 27,634,960,465.80 and 7,389,741,511.60 is: 11,084,612,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423,306,977.20 : 27,634,960,465.80 = 7,389,741,511.60 : x
  2. Step 2: Convert to fraction form
    18,423,306,977.20/27,634,960,465.80 = 7,389,741,511.60/x
  3. Step 3: Cross multiply
    18,423,306,977.20x = 27,634,960,465.80 × 7,389,741,511.60
  4. Step 4: Simplify right side
    18,423,306,977.20x = 204,215,214,525,547,151,360
  5. Step 5: Solve for x
    x = 204,215,214,525,547,151,360/18,423,306,977.20
  6. Step 6: Final answer
    x = 11,084,612,267.40

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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.