Home / 2,618,828,535.03-3,929,977,777.59-1,439,232,791.01

Finding the Fourth Proportional to 2,618,828,535.03, 3,929,977,777.59 and 1,439,232,791.01

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Solution

The fourth proportional to 2,618,828,535.03, 3,929,977,777.59 and 1,439,232,791.01 is: 2,159,802,678.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,828,535.03 : 3,929,977,777.59 = 1,439,232,791.01 : x
  2. Step 2: Convert to fraction form
    2,618,828,535.03/3,929,977,777.59 = 1,439,232,791.01/x
  3. Step 3: Cross multiply
    2,618,828,535.03x = 3,929,977,777.59 × 1,439,232,791.01
  4. Step 4: Simplify right side
    2,618,828,535.03x = 5,656,152,885,448,132,608
  5. Step 5: Solve for x
    x = 5,656,152,885,448,132,608/2,618,828,535.03
  6. Step 6: Final answer
    x = 2,159,802,678.87

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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.