Home / 1,158,970,851.90-1,738,456,277.85-698,672,087.10

Finding the Fourth Proportional to 1,158,970,851.90, 1,738,456,277.85 and 698,672,087.10

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Solution

The fourth proportional to 1,158,970,851.90, 1,738,456,277.85 and 698,672,087.10 is: 1,048,008,130.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,970,851.90 : 1,738,456,277.85 = 698,672,087.10 : x
  2. Step 2: Convert to fraction form
    1,158,970,851.90/1,738,456,277.85 = 698,672,087.10/x
  3. Step 3: Cross multiply
    1,158,970,851.90x = 1,738,456,277.85 × 698,672,087.10
  4. Step 4: Simplify right side
    1,158,970,851.90x = 1,214,610,875,977,556,992
  5. Step 5: Solve for x
    x = 1,214,610,875,977,556,992/1,158,970,851.90
  6. Step 6: Final answer
    x = 1,048,008,130.65

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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.