Home / 1,101,027,643.80-1,651,541,465.70-665,671,176.60

Finding the Fourth Proportional to 1,101,027,643.80, 1,651,541,465.70 and 665,671,176.60

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Solution

The fourth proportional to 1,101,027,643.80, 1,651,541,465.70 and 665,671,176.60 is: 998,506,764.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,027,643.80 : 1,651,541,465.70 = 665,671,176.60 : x
  2. Step 2: Convert to fraction form
    1,101,027,643.80/1,651,541,465.70 = 665,671,176.60/x
  3. Step 3: Cross multiply
    1,101,027,643.80x = 1,651,541,465.70 × 665,671,176.60
  4. Step 4: Simplify right side
    1,101,027,643.80x = 1,099,383,550,676,207,616
  5. Step 5: Solve for x
    x = 1,099,383,550,676,207,616/1,101,027,643.80
  6. Step 6: Final answer
    x = 998,506,764.90

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Double scale
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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.