Home / 1,010,394,376.40-1,515,591,564.60-575,037,909.20

Finding the Fourth Proportional to 1,010,394,376.40, 1,515,591,564.60 and 575,037,909.20

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Solution

The fourth proportional to 1,010,394,376.40, 1,515,591,564.60 and 575,037,909.20 is: 862,556,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,394,376.40 : 1,515,591,564.60 = 575,037,909.20 : x
  2. Step 2: Convert to fraction form
    1,010,394,376.40/1,515,591,564.60 = 575,037,909.20/x
  3. Step 3: Cross multiply
    1,010,394,376.40x = 1,515,591,564.60 × 575,037,909.20
  4. Step 4: Simplify right side
    1,010,394,376.40x = 871,522,604,508,740,736
  5. Step 5: Solve for x
    x = 871,522,604,508,740,736/1,010,394,376.40
  6. Step 6: Final answer
    x = 862,556,863.80

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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.