Home / 638,608,506.30-957,912,759.45-569,733,752.70

Finding the Fourth Proportional to 638,608,506.30, 957,912,759.45 and 569,733,752.70

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Solution

The fourth proportional to 638,608,506.30, 957,912,759.45 and 569,733,752.70 is: 854,600,629.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,608,506.30 : 957,912,759.45 = 569,733,752.70 : x
  2. Step 2: Convert to fraction form
    638,608,506.30/957,912,759.45 = 569,733,752.70/x
  3. Step 3: Cross multiply
    638,608,506.30x = 957,912,759.45 × 569,733,752.70
  4. Step 4: Simplify right side
    638,608,506.30x = 545,755,231,200,660,992
  5. Step 5: Solve for x
    x = 545,755,231,200,660,992/638,608,506.30
  6. Step 6: Final answer
    x = 854,600,629.05

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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.