Home / 1,410,914,920.71-1,947,186,551.04-775,947,200.79

Finding the Fourth Proportional to 1,410,914,920.71, 1,947,186,551.04 and 775,947,200.79

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Solution

The fourth proportional to 1,410,914,920.71, 1,947,186,551.04 and 775,947,200.79 is: 1,070,875,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,914,920.71 : 1,947,186,551.04 = 775,947,200.79 : x
  2. Step 2: Convert to fraction form
    1,410,914,920.71/1,947,186,551.04 = 775,947,200.79/x
  3. Step 3: Cross multiply
    1,410,914,920.71x = 1,947,186,551.04 × 775,947,200.79
  4. Step 4: Simplify right side
    1,410,914,920.71x = 1,510,913,953,695,422,464
  5. Step 5: Solve for x
    x = 1,510,913,953,695,422,464/1,410,914,920.71
  6. Step 6: Final answer
    x = 1,070,875,310.42

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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.