Home / 794,352,014.20-1,191,528,021.30-612,953,486.20

Finding the Fourth Proportional to 794,352,014.20, 1,191,528,021.30 and 612,953,486.20

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Solution

The fourth proportional to 794,352,014.20, 1,191,528,021.30 and 612,953,486.20 is: 919,430,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,352,014.20 : 1,191,528,021.30 = 612,953,486.20 : x
  2. Step 2: Convert to fraction form
    794,352,014.20/1,191,528,021.30 = 612,953,486.20/x
  3. Step 3: Cross multiply
    794,352,014.20x = 1,191,528,021.30 × 612,953,486.20
  4. Step 4: Simplify right side
    794,352,014.20x = 730,351,254,560,822,912
  5. Step 5: Solve for x
    x = 730,351,254,560,822,912/794,352,014.20
  6. Step 6: Final answer
    x = 919,430,229.30

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Half scale
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Double scale
Find fourth proportional to 794,352,015.20, 1,191,528,022.80 and 612,953,487.20
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.