Home / 897,966,742.92-1,230,193,887.37-864,393,732.75

Finding the Fourth Proportional to 897,966,742.92, 1,230,193,887.37 and 864,393,732.75

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Solution

The fourth proportional to 897,966,742.92, 1,230,193,887.37 and 864,393,732.75 is: 1,184,199,631.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,966,742.92 : 1,230,193,887.37 = 864,393,732.75 : x
  2. Step 2: Convert to fraction form
    897,966,742.92/1,230,193,887.37 = 864,393,732.75/x
  3. Step 3: Cross multiply
    897,966,742.92x = 1,230,193,887.37 × 864,393,732.75
  4. Step 4: Simplify right side
    897,966,742.92x = 1,063,371,886,309,987,328
  5. Step 5: Solve for x
    x = 1,063,371,886,309,987,328/897,966,742.92
  6. Step 6: Final answer
    x = 1,184,199,631.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.