Home / 1,690,432,514,819.40-2,332,668,846,971.40-948,696,097,326.20

Finding the Fourth Proportional to 1,690,432,514,819.40, 2,332,668,846,971.40 and 948,696,097,326.20

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Solution

The fourth proportional to 1,690,432,514,819.40, 2,332,668,846,971.40 and 948,696,097,326.20 is: 1,309,128,765,612.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,432,514,819.40 : 2,332,668,846,971.40 = 948,696,097,326.20 : x
  2. Step 2: Convert to fraction form
    1,690,432,514,819.40/2,332,668,846,971.40 = 948,696,097,326.20/x
  3. Step 3: Cross multiply
    1,690,432,514,819.40x = 2,332,668,846,971.40 × 948,696,097,326.20
  4. Step 4: Simplify right side
    1,690,432,514,819.40x = 2,212,993,831,476,173,733,888,000
  5. Step 5: Solve for x
    x = 2,212,993,831,476,173,733,888,000/1,690,432,514,819.40
  6. Step 6: Final answer
    x = 1,309,128,765,612.16

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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.