Home / 2,589,162,821.40-3,884,122,145.70-842,068,248.60

Finding the Fourth Proportional to 2,589,162,821.40, 3,884,122,145.70 and 842,068,248.60

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Solution

The fourth proportional to 2,589,162,821.40, 3,884,122,145.70 and 842,068,248.60 is: 1,263,225,280.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,162,821.40 : 3,884,122,145.70 = 842,068,248.60 : x
  2. Step 2: Convert to fraction form
    2,589,162,821.40/3,884,122,145.70 = 842,068,248.60/x
  3. Step 3: Cross multiply
    2,589,162,821.40x = 3,884,122,145.70 × 842,068,248.60
  4. Step 4: Simplify right side
    2,589,162,821.40x = 3,270,695,932,578,073,088
  5. Step 5: Solve for x
    x = 3,270,695,932,578,073,088/2,589,162,821.40
  6. Step 6: Final answer
    x = 1,263,225,280.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.