Home / 1,245,237,144.48-1,867,859,262.68-359,994,569.02

Finding the Fourth Proportional to 1,245,237,144.48, 1,867,859,262.68 and 359,994,569.02

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Solution

The fourth proportional to 1,245,237,144.48, 1,867,859,262.68 and 359,994,569.02 is: 539,992,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,237,144.48 : 1,867,859,262.68 = 359,994,569.02 : x
  2. Step 2: Convert to fraction form
    1,245,237,144.48/1,867,859,262.68 = 359,994,569.02/x
  3. Step 3: Cross multiply
    1,245,237,144.48x = 1,867,859,262.68 × 359,994,569.02
  4. Step 4: Simplify right side
    1,245,237,144.48x = 672,419,190,259,036,416
  5. Step 5: Solve for x
    x = 672,419,190,259,036,416/1,245,237,144.48
  6. Step 6: Final answer
    x = 539,992,878.66

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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.