Home / 2,072,603,700.40-3,109,253,915.40-618,728,090.80

Finding the Fourth Proportional to 2,072,603,700.40, 3,109,253,915.40 and 618,728,090.80

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Solution

The fourth proportional to 2,072,603,700.40, 3,109,253,915.40 and 618,728,090.80 is: 928,196,132.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,603,700.40 : 3,109,253,915.40 = 618,728,090.80 : x
  2. Step 2: Convert to fraction form
    2,072,603,700.40/3,109,253,915.40 = 618,728,090.80/x
  3. Step 3: Cross multiply
    2,072,603,700.40x = 3,109,253,915.40 × 618,728,090.80
  4. Step 4: Simplify right side
    2,072,603,700.40x = 1,923,782,738,887,866,624
  5. Step 5: Solve for x
    x = 1,923,782,738,887,866,624/2,072,603,700.40
  6. Step 6: Final answer
    x = 928,196,132.49

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Double scale
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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.