Home / 683,756,419.53-943,587,143.79-370,490,550.48

Finding the Fourth Proportional to 683,756,419.53, 943,587,143.79 and 370,490,550.48

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Solution

The fourth proportional to 683,756,419.53, 943,587,143.79 and 370,490,550.48 is: 511,278,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,756,419.53 : 943,587,143.79 = 370,490,550.48 : x
  2. Step 2: Convert to fraction form
    683,756,419.53/943,587,143.79 = 370,490,550.48/x
  3. Step 3: Cross multiply
    683,756,419.53x = 943,587,143.79 × 370,490,550.48
  4. Step 4: Simplify right side
    683,756,419.53x = 349,590,120,328,608,000
  5. Step 5: Solve for x
    x = 349,590,120,328,608,000/683,756,419.53
  6. Step 6: Final answer
    x = 511,278,739.54

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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.