Home / 2,078,062,565.57-3,117,494,885.38-678,670,629.01

Finding the Fourth Proportional to 2,078,062,565.57, 3,117,494,885.38 and 678,670,629.01

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Solution

The fourth proportional to 2,078,062,565.57, 3,117,494,885.38 and 678,670,629.01 is: 1,018,136,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,062,565.57 : 3,117,494,885.38 = 678,670,629.01 : x
  2. Step 2: Convert to fraction form
    2,078,062,565.57/3,117,494,885.38 = 678,670,629.01/x
  3. Step 3: Cross multiply
    2,078,062,565.57x = 3,117,494,885.38 × 678,670,629.01
  4. Step 4: Simplify right side
    2,078,062,565.57x = 2,115,752,214,796,302,592
  5. Step 5: Solve for x
    x = 2,115,752,214,796,302,592/2,078,062,565.57
  6. Step 6: Final answer
    x = 1,018,136,917.46

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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.