Home / 1,158,970,851.15-1,738,456,276.73-698,672,086.35

Finding the Fourth Proportional to 1,158,970,851.15, 1,738,456,276.73 and 698,672,086.35

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Solution

The fourth proportional to 1,158,970,851.15, 1,738,456,276.73 and 698,672,086.35 is: 1,048,008,129.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,970,851.15 : 1,738,456,276.73 = 698,672,086.35 : x
  2. Step 2: Convert to fraction form
    1,158,970,851.15/1,738,456,276.73 = 698,672,086.35/x
  3. Step 3: Cross multiply
    1,158,970,851.15x = 1,738,456,276.73 × 698,672,086.35
  4. Step 4: Simplify right side
    1,158,970,851.15x = 1,214,610,873,887,708,672
  5. Step 5: Solve for x
    x = 1,214,610,873,887,708,672/1,158,970,851.15
  6. Step 6: Final answer
    x = 1,048,008,129.53

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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.