Home / 1,159,043,996.20-1,738,649,975.10-697,989,404.20

Finding the Fourth Proportional to 1,159,043,996.20, 1,738,649,975.10 and 697,989,404.20

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Solution

The fourth proportional to 1,159,043,996.20, 1,738,649,975.10 and 697,989,404.20 is: 1,047,034,680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,043,996.20 : 1,738,649,975.10 = 697,989,404.20 : x
  2. Step 2: Convert to fraction form
    1,159,043,996.20/1,738,649,975.10 = 697,989,404.20/x
  3. Step 3: Cross multiply
    1,159,043,996.20x = 1,738,649,975.10 × 697,989,404.20
  4. Step 4: Simplify right side
    1,159,043,996.20x = 1,213,559,260,232,393,728
  5. Step 5: Solve for x
    x = 1,213,559,260,232,393,728/1,159,043,996.20
  6. Step 6: Final answer
    x = 1,047,034,680.49

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Double scale
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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.