Home / 660,302,025.40-988,101,575.70-574,977,532.60

Finding the Fourth Proportional to 660,302,025.40, 988,101,575.70 and 574,977,532.60

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Solution

The fourth proportional to 660,302,025.40, 988,101,575.70 and 574,977,532.60 is: 860,418,693.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,302,025.40 : 988,101,575.70 = 574,977,532.60 : x
  2. Step 2: Convert to fraction form
    660,302,025.40/988,101,575.70 = 574,977,532.60/x
  3. Step 3: Cross multiply
    660,302,025.40x = 988,101,575.70 × 574,977,532.60
  4. Step 4: Simplify right side
    660,302,025.40x = 568,136,205,954,158,144
  5. Step 5: Solve for x
    x = 568,136,205,954,158,144/660,302,025.40
  6. Step 6: Final answer
    x = 860,418,693.42

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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.