Home / 749,261,933.12-1,123,505,647.56-328,911,260.24

Finding the Fourth Proportional to 749,261,933.12, 1,123,505,647.56 and 328,911,260.24

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Solution

The fourth proportional to 749,261,933.12, 1,123,505,647.56 and 328,911,260.24 is: 493,196,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,261,933.12 : 1,123,505,647.56 = 328,911,260.24 : x
  2. Step 2: Convert to fraction form
    749,261,933.12/1,123,505,647.56 = 328,911,260.24/x
  3. Step 3: Cross multiply
    749,261,933.12x = 1,123,505,647.56 × 328,911,260.24
  4. Step 4: Simplify right side
    749,261,933.12x = 369,533,658,428,525,632
  5. Step 5: Solve for x
    x = 369,533,658,428,525,632/749,261,933.12
  6. Step 6: Final answer
    x = 493,196,894.29

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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.