Home / 2,892,376,775.53-3,987,445,126.54-1,939,927,717.03

Finding the Fourth Proportional to 2,892,376,775.53, 3,987,445,126.54 and 1,939,927,717.03

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Solution

The fourth proportional to 2,892,376,775.53, 3,987,445,126.54 and 1,939,927,717.03 is: 2,674,394,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,376,775.53 : 3,987,445,126.54 = 1,939,927,717.03 : x
  2. Step 2: Convert to fraction form
    2,892,376,775.53/3,987,445,126.54 = 1,939,927,717.03/x
  3. Step 3: Cross multiply
    2,892,376,775.53x = 3,987,445,126.54 × 1,939,927,717.03
  4. Step 4: Simplify right side
    2,892,376,775.53x = 7,735,355,321,111,141,376
  5. Step 5: Solve for x
    x = 7,735,355,321,111,141,376/2,892,376,775.53
  6. Step 6: Final answer
    x = 2,674,394,078.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.