Home / 711,468,579,858.28-981,799,103,001.66-386,300,429,282.92

Finding the Fourth Proportional to 711,468,579,858.28, 981,799,103,001.66 and 386,300,429,282.92

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Solution

The fourth proportional to 711,468,579,858.28, 981,799,103,001.66 and 386,300,429,282.92 is: 533,079,640,754.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,468,579,858.28 : 981,799,103,001.66 = 386,300,429,282.92 : x
  2. Step 2: Convert to fraction form
    711,468,579,858.28/981,799,103,001.66 = 386,300,429,282.92/x
  3. Step 3: Cross multiply
    711,468,579,858.28x = 981,799,103,001.66 × 386,300,429,282.92
  4. Step 4: Simplify right side
    711,468,579,858.28x = 379,269,414,959,127,065,526,272
  5. Step 5: Solve for x
    x = 379,269,414,959,127,065,526,272/711,468,579,858.28
  6. Step 6: Final answer
    x = 533,079,640,754.73

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Double scale
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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.