Home / 876,682,652.92-1,315,193,166.86-286,314,179.68

Finding the Fourth Proportional to 876,682,652.92, 1,315,193,166.86 and 286,314,179.68

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Solution

The fourth proportional to 876,682,652.92, 1,315,193,166.86 and 286,314,179.68 is: 429,526,524.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,682,652.92 : 1,315,193,166.86 = 286,314,179.68 : x
  2. Step 2: Convert to fraction form
    876,682,652.92/1,315,193,166.86 = 286,314,179.68/x
  3. Step 3: Cross multiply
    876,682,652.92x = 1,315,193,166.86 × 286,314,179.68
  4. Step 4: Simplify right side
    876,682,652.92x = 376,558,452,690,262,272
  5. Step 5: Solve for x
    x = 376,558,452,690,262,272/876,682,652.92
  6. Step 6: Final answer
    x = 429,526,524.15

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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.