Home / 356,313,501,934.66-491,730,299,043.58-221,026,267,175.84

Finding the Fourth Proportional to 356,313,501,934.66, 491,730,299,043.58 and 221,026,267,175.84

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Solution

The fourth proportional to 356,313,501,934.66, 491,730,299,043.58 and 221,026,267,175.84 is: 305,027,207,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,313,501,934.66 : 491,730,299,043.58 = 221,026,267,175.84 : x
  2. Step 2: Convert to fraction form
    356,313,501,934.66/491,730,299,043.58 = 221,026,267,175.84/x
  3. Step 3: Cross multiply
    356,313,501,934.66x = 491,730,299,043.58 × 221,026,267,175.84
  4. Step 4: Simplify right side
    356,313,501,934.66x = 108,685,312,454,862,017,921,024
  5. Step 5: Solve for x
    x = 108,685,312,454,862,017,921,024/356,313,501,934.66
  6. Step 6: Final answer
    x = 305,027,207,402.30

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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.