Home / 1,165,151,813.20-1,607,933,204.96-636,550,036.72

Finding the Fourth Proportional to 1,165,151,813.20, 1,607,933,204.96 and 636,550,036.72

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Solution

The fourth proportional to 1,165,151,813.20, 1,607,933,204.96 and 636,550,036.72 is: 878,452,000.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,151,813.20 : 1,607,933,204.96 = 636,550,036.72 : x
  2. Step 2: Convert to fraction form
    1,165,151,813.20/1,607,933,204.96 = 636,550,036.72/x
  3. Step 3: Cross multiply
    1,165,151,813.20x = 1,607,933,204.96 × 636,550,036.72
  4. Step 4: Simplify right side
    1,165,151,813.20x = 1,023,529,940,660,595,328
  5. Step 5: Solve for x
    x = 1,023,529,940,660,595,328/1,165,151,813.20
  6. Step 6: Final answer
    x = 878,452,000.04

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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.