Home / 1,603,826,188.97-2,213,240,635.80-889,357,794.30

Finding the Fourth Proportional to 1,603,826,188.97, 2,213,240,635.80 and 889,357,794.30

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Solution

The fourth proportional to 1,603,826,188.97, 2,213,240,635.80 and 889,357,794.30 is: 1,227,291,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,826,188.97 : 2,213,240,635.80 = 889,357,794.30 : x
  2. Step 2: Convert to fraction form
    1,603,826,188.97/2,213,240,635.80 = 889,357,794.30/x
  3. Step 3: Cross multiply
    1,603,826,188.97x = 2,213,240,635.80 × 889,357,794.30
  4. Step 4: Simplify right side
    1,603,826,188.97x = 1,968,362,810,110,217,728
  5. Step 5: Solve for x
    x = 1,968,362,810,110,217,728/1,603,826,188.97
  6. Step 6: Final answer
    x = 1,227,291,849.74

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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.