Home / 703,579,012.60-1,055,024,656.62-288,945,004.60

Finding the Fourth Proportional to 703,579,012.60, 1,055,024,656.62 and 288,945,004.60

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Solution

The fourth proportional to 703,579,012.60, 1,055,024,656.62 and 288,945,004.60 is: 433,276,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,579,012.60 : 1,055,024,656.62 = 288,945,004.60 : x
  2. Step 2: Convert to fraction form
    703,579,012.60/1,055,024,656.62 = 288,945,004.60/x
  3. Step 3: Cross multiply
    703,579,012.60x = 1,055,024,656.62 × 288,945,004.60
  4. Step 4: Simplify right side
    703,579,012.60x = 304,844,104,260,179,328
  5. Step 5: Solve for x
    x = 304,844,104,260,179,328/703,579,012.60
  6. Step 6: Final answer
    x = 433,276,289.94

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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.