Home / 579,576,803.40-869,365,205.10-522,245,910.60

Finding the Fourth Proportional to 579,576,803.40, 869,365,205.10 and 522,245,910.60

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Solution

The fourth proportional to 579,576,803.40, 869,365,205.10 and 522,245,910.60 is: 783,368,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,576,803.40 : 869,365,205.10 = 522,245,910.60 : x
  2. Step 2: Convert to fraction form
    579,576,803.40/869,365,205.10 = 522,245,910.60/x
  3. Step 3: Cross multiply
    579,576,803.40x = 869,365,205.10 × 522,245,910.60
  4. Step 4: Simplify right side
    579,576,803.40x = 454,022,423,181,405,312
  5. Step 5: Solve for x
    x = 454,022,423,181,405,312/579,576,803.40
  6. Step 6: Final answer
    x = 783,368,865.90

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Double scale
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Similar ratio
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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.