Home / 2,160,948,742.12-2,981,879,682.17-1,195,179,175.79

Finding the Fourth Proportional to 2,160,948,742.12, 2,981,879,682.17 and 1,195,179,175.79

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Solution

The fourth proportional to 2,160,948,742.12, 2,981,879,682.17 and 1,195,179,175.79 is: 1,649,220,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,948,742.12 : 2,981,879,682.17 = 1,195,179,175.79 : x
  2. Step 2: Convert to fraction form
    2,160,948,742.12/2,981,879,682.17 = 1,195,179,175.79/x
  3. Step 3: Cross multiply
    2,160,948,742.12x = 2,981,879,682.17 × 1,195,179,175.79
  4. Step 4: Simplify right side
    2,160,948,742.12x = 3,563,880,500,840,887,808
  5. Step 5: Solve for x
    x = 3,563,880,500,840,887,808/2,160,948,742.12
  6. Step 6: Final answer
    x = 1,649,220,285.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.