Home / 2,072,603,695.40-3,109,253,907.90-618,728,085.80

Finding the Fourth Proportional to 2,072,603,695.40, 3,109,253,907.90 and 618,728,085.80

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Solution

The fourth proportional to 2,072,603,695.40, 3,109,253,907.90 and 618,728,085.80 is: 928,196,124.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,603,695.40 : 3,109,253,907.90 = 618,728,085.80 : x
  2. Step 2: Convert to fraction form
    2,072,603,695.40/3,109,253,907.90 = 618,728,085.80/x
  3. Step 3: Cross multiply
    2,072,603,695.40x = 3,109,253,907.90 × 618,728,085.80
  4. Step 4: Simplify right side
    2,072,603,695.40x = 1,923,782,718,701,136,384
  5. Step 5: Solve for x
    x = 1,923,782,718,701,136,384/2,072,603,695.40
  6. Step 6: Final answer
    x = 928,196,124.99

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Double scale
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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.