Home / 2,118,889,126.20-3,178,333,689.30-1,659,220,217.40

Finding the Fourth Proportional to 2,118,889,126.20, 3,178,333,689.30 and 1,659,220,217.40

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Solution

The fourth proportional to 2,118,889,126.20, 3,178,333,689.30 and 1,659,220,217.40 is: 2,488,830,326.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,889,126.20 : 3,178,333,689.30 = 1,659,220,217.40 : x
  2. Step 2: Convert to fraction form
    2,118,889,126.20/3,178,333,689.30 = 1,659,220,217.40/x
  3. Step 3: Cross multiply
    2,118,889,126.20x = 3,178,333,689.30 × 1,659,220,217.40
  4. Step 4: Simplify right side
    2,118,889,126.20x = 5,273,555,514,930,091,008
  5. Step 5: Solve for x
    x = 5,273,555,514,930,091,008/2,118,889,126.20
  6. Step 6: Final answer
    x = 2,488,830,326.10

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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.