Home / 579,576,015.40-869,364,023.10-522,245,122.60

Finding the Fourth Proportional to 579,576,015.40, 869,364,023.10 and 522,245,122.60

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Solution

The fourth proportional to 579,576,015.40, 869,364,023.10 and 522,245,122.60 is: 783,367,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,576,015.40 : 869,364,023.10 = 522,245,122.60 : x
  2. Step 2: Convert to fraction form
    579,576,015.40/869,364,023.10 = 522,245,122.60/x
  3. Step 3: Cross multiply
    579,576,015.40x = 869,364,023.10 × 522,245,122.60
  4. Step 4: Simplify right side
    579,576,015.40x = 454,021,120,827,888,768
  5. Step 5: Solve for x
    x = 454,021,120,827,888,768/579,576,015.40
  6. Step 6: Final answer
    x = 783,367,683.90

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Double scale
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Similar ratio
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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.