Home / 1,010,394,013.40-1,515,591,020.10-575,037,546.20

Finding the Fourth Proportional to 1,010,394,013.40, 1,515,591,020.10 and 575,037,546.20

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Solution

The fourth proportional to 1,010,394,013.40, 1,515,591,020.10 and 575,037,546.20 is: 862,556,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,394,013.40 : 1,515,591,020.10 = 575,037,546.20 : x
  2. Step 2: Convert to fraction form
    1,010,394,013.40/1,515,591,020.10 = 575,037,546.20/x
  3. Step 3: Cross multiply
    1,010,394,013.40x = 1,515,591,020.10 × 575,037,546.20
  4. Step 4: Simplify right side
    1,010,394,013.40x = 871,521,741,241,058,944
  5. Step 5: Solve for x
    x = 871,521,741,241,058,944/1,010,394,013.40
  6. Step 6: Final answer
    x = 862,556,319.30

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Half scale
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Double scale
Find fourth proportional to 1,010,394,014.40, 1,515,591,021.60 and 575,037,547.20
Similar ratio
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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.