Home / 1,158,993,309-1,599,826,793.64-689,093,508.92

Finding the Fourth Proportional to 1,158,993,309, 1,599,826,793.64 and 689,093,508.92

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Solution

The fourth proportional to 1,158,993,309, 1,599,826,793.64 and 689,093,508.92 is: 951,196,396.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,993,309 : 1,599,826,793.64 = 689,093,508.92 : x
  2. Step 2: Convert to fraction form
    1,158,993,309/1,599,826,793.64 = 689,093,508.92/x
  3. Step 3: Cross multiply
    1,158,993,309x = 1,599,826,793.64 × 689,093,508.92
  4. Step 4: Simplify right side
    1,158,993,309x = 1,102,430,258,893,620,352
  5. Step 5: Solve for x
    x = 1,102,430,258,893,620,352/1,158,993,309
  6. Step 6: Final answer
    x = 951,196,396.33

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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.