Home / 226,608,166,324.20-312,746,691,511.80-128,973,545,723.28

Finding the Fourth Proportional to 226,608,166,324.20, 312,746,691,511.80 and 128,973,545,723.28

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Solution

The fourth proportional to 226,608,166,324.20, 312,746,691,511.80 and 128,973,545,723.28 is: 177,999,100,261.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,608,166,324.20 : 312,746,691,511.80 = 128,973,545,723.28 : x
  2. Step 2: Convert to fraction form
    226,608,166,324.20/312,746,691,511.80 = 128,973,545,723.28/x
  3. Step 3: Cross multiply
    226,608,166,324.20x = 312,746,691,511.80 × 128,973,545,723.28
  4. Step 4: Simplify right side
    226,608,166,324.20x = 40,336,049,717,501,679,894,528
  5. Step 5: Solve for x
    x = 40,336,049,717,501,679,894,528/226,608,166,324.20
  6. Step 6: Final answer
    x = 177,999,100,261.00

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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.