Home / 1,641,792,275.28-2,265,674,561.40-889,111,293.48

Finding the Fourth Proportional to 1,641,792,275.28, 2,265,674,561.40 and 889,111,293.48

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Solution

The fourth proportional to 1,641,792,275.28, 2,265,674,561.40 and 889,111,293.48 is: 1,226,974,246.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,792,275.28 : 2,265,674,561.40 = 889,111,293.48 : x
  2. Step 2: Convert to fraction form
    1,641,792,275.28/2,265,674,561.40 = 889,111,293.48/x
  3. Step 3: Cross multiply
    1,641,792,275.28x = 2,265,674,561.40 × 889,111,293.48
  4. Step 4: Simplify right side
    1,641,792,275.28x = 2,014,436,839,891,085,824
  5. Step 5: Solve for x
    x = 2,014,436,839,891,085,824/1,641,792,275.28
  6. Step 6: Final answer
    x = 1,226,974,246.51

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Double scale
Find fourth proportional to 1,641,792,276.28, 2,265,674,562.78 and 889,111,294.48
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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.