Home / 1,010,394,379.65-1,515,591,569.48-575,037,912.45

Finding the Fourth Proportional to 1,010,394,379.65, 1,515,591,569.48 and 575,037,912.45

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Solution

The fourth proportional to 1,010,394,379.65, 1,515,591,569.48 and 575,037,912.45 is: 862,556,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,394,379.65 : 1,515,591,569.48 = 575,037,912.45 : x
  2. Step 2: Convert to fraction form
    1,010,394,379.65/1,515,591,569.48 = 575,037,912.45/x
  3. Step 3: Cross multiply
    1,010,394,379.65x = 1,515,591,569.48 × 575,037,912.45
  4. Step 4: Simplify right side
    1,010,394,379.65x = 871,522,612,237,723,136
  5. Step 5: Solve for x
    x = 871,522,612,237,723,136/1,010,394,379.65
  6. Step 6: Final answer
    x = 862,556,868.68

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Double scale
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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.