Home / 922,458,533.32-1,271,838,047.29-769,914,040.38

Finding the Fourth Proportional to 922,458,533.32, 1,271,838,047.29 and 769,914,040.38

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Solution

The fourth proportional to 922,458,533.32, 1,271,838,047.29 and 769,914,040.38 is: 1,061,517,601.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,458,533.32 : 1,271,838,047.29 = 769,914,040.38 : x
  2. Step 2: Convert to fraction form
    922,458,533.32/1,271,838,047.29 = 769,914,040.38/x
  3. Step 3: Cross multiply
    922,458,533.32x = 1,271,838,047.29 × 769,914,040.38
  4. Step 4: Simplify right side
    922,458,533.32x = 979,205,969,698,053,376
  5. Step 5: Solve for x
    x = 979,205,969,698,053,376/922,458,533.32
  6. Step 6: Final answer
    x = 1,061,517,601.42

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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.