Home / 1,641,792,269.52-2,265,674,553.45-889,111,287.72

Finding the Fourth Proportional to 1,641,792,269.52, 2,265,674,553.45 and 889,111,287.72

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Solution

The fourth proportional to 1,641,792,269.52, 2,265,674,553.45 and 889,111,287.72 is: 1,226,974,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,792,269.52 : 2,265,674,553.45 = 889,111,287.72 : x
  2. Step 2: Convert to fraction form
    1,641,792,269.52/2,265,674,553.45 = 889,111,287.72/x
  3. Step 3: Cross multiply
    1,641,792,269.52x = 2,265,674,553.45 × 889,111,287.72
  4. Step 4: Simplify right side
    1,641,792,269.52x = 2,014,436,819,772,365,312
  5. Step 5: Solve for x
    x = 2,014,436,819,772,365,312/1,641,792,269.52
  6. Step 6: Final answer
    x = 1,226,974,238.56

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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.