Home / 1,693,066,371.71-2,539,926,607.82-643,722,986.93

Finding the Fourth Proportional to 1,693,066,371.71, 2,539,926,607.82 and 643,722,986.93

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Solution

The fourth proportional to 1,693,066,371.71, 2,539,926,607.82 and 643,722,986.93 is: 965,708,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,066,371.71 : 2,539,926,607.82 = 643,722,986.93 : x
  2. Step 2: Convert to fraction form
    1,693,066,371.71/2,539,926,607.82 = 643,722,986.93/x
  3. Step 3: Cross multiply
    1,693,066,371.71x = 2,539,926,607.82 × 643,722,986.93
  4. Step 4: Simplify right side
    1,693,066,371.71x = 1,635,009,142,552,954,880
  5. Step 5: Solve for x
    x = 1,635,009,142,552,954,880/1,693,066,371.71
  6. Step 6: Final answer
    x = 965,708,828.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.