Home / 356,194,923,098.04-491,602,725,216.52-217,226,827,409.76

Finding the Fourth Proportional to 356,194,923,098.04, 491,602,725,216.52 and 217,226,827,409.76

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Solution

The fourth proportional to 356,194,923,098.04, 491,602,725,216.52 and 217,226,827,409.76 is: 299,805,790,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,194,923,098.04 : 491,602,725,216.52 = 217,226,827,409.76 : x
  2. Step 2: Convert to fraction form
    356,194,923,098.04/491,602,725,216.52 = 217,226,827,409.76/x
  3. Step 3: Cross multiply
    356,194,923,098.04x = 491,602,725,216.52 × 217,226,827,409.76
  4. Step 4: Simplify right side
    356,194,923,098.04x = 106,789,300,344,776,669,790,208
  5. Step 5: Solve for x
    x = 106,789,300,344,776,669,790,208/356,194,923,098.04
  6. Step 6: Final answer
    x = 299,805,790,088.10

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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.