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Finding the Fourth Proportional to 1,010,394,402.40, 1,515,591,603.60 and 575,037,935.20

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Solution

The fourth proportional to 1,010,394,402.40, 1,515,591,603.60 and 575,037,935.20 is: 862,556,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,394,402.40 : 1,515,591,603.60 = 575,037,935.20 : x
  2. Step 2: Convert to fraction form
    1,010,394,402.40/1,515,591,603.60 = 575,037,935.20/x
  3. Step 3: Cross multiply
    1,010,394,402.40x = 1,515,591,603.60 × 575,037,935.20
  4. Step 4: Simplify right side
    1,010,394,402.40x = 871,522,666,340,600,960
  5. Step 5: Solve for x
    x = 871,522,666,340,600,960/1,010,394,402.40
  6. Step 6: Final answer
    x = 862,556,902.80

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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.