Home / 1,642,418,880.71-2,266,528,352.31-889,746,406.34

Finding the Fourth Proportional to 1,642,418,880.71, 2,266,528,352.31 and 889,746,406.34

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Solution

The fourth proportional to 1,642,418,880.71, 2,266,528,352.31 and 889,746,406.34 is: 1,227,844,784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,418,880.71 : 2,266,528,352.31 = 889,746,406.34 : x
  2. Step 2: Convert to fraction form
    1,642,418,880.71/2,266,528,352.31 = 889,746,406.34/x
  3. Step 3: Cross multiply
    1,642,418,880.71x = 2,266,528,352.31 × 889,746,406.34
  4. Step 4: Simplify right side
    1,642,418,880.71x = 2,016,635,456,324,211,456
  5. Step 5: Solve for x
    x = 2,016,635,456,324,211,456/1,642,418,880.71
  6. Step 6: Final answer
    x = 1,227,844,784.31

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Double scale
Find fourth proportional to 1,642,418,881.71, 2,266,528,353.69 and 889,746,407.34
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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.