Home / 53,808,515,133.71-74,258,006,789.59-30,945,670,689.79

Finding the Fourth Proportional to 53,808,515,133.71, 74,258,006,789.59 and 30,945,670,689.79

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Solution

The fourth proportional to 53,808,515,133.71, 74,258,006,789.59 and 30,945,670,689.79 is: 42,706,322,939.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,808,515,133.71 : 74,258,006,789.59 = 30,945,670,689.79 : x
  2. Step 2: Convert to fraction form
    53,808,515,133.71/74,258,006,789.59 = 30,945,670,689.79/x
  3. Step 3: Cross multiply
    53,808,515,133.71x = 74,258,006,789.59 × 30,945,670,689.79
  4. Step 4: Simplify right side
    53,808,515,133.71x = 2,297,963,824,190,898,044,928
  5. Step 5: Solve for x
    x = 2,297,963,824,190,898,044,928/53,808,515,133.71
  6. Step 6: Final answer
    x = 42,706,322,939.42

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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.