Home / 419,907,029.40-629,860,544.10-368,888,693.40

Finding the Fourth Proportional to 419,907,029.40, 629,860,544.10 and 368,888,693.40

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Solution

The fourth proportional to 419,907,029.40, 629,860,544.10 and 368,888,693.40 is: 553,333,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,907,029.40 : 629,860,544.10 = 368,888,693.40 : x
  2. Step 2: Convert to fraction form
    419,907,029.40/629,860,544.10 = 368,888,693.40/x
  3. Step 3: Cross multiply
    419,907,029.40x = 629,860,544.10 × 368,888,693.40
  4. Step 4: Simplify right side
    419,907,029.40x = 232,348,433,137,262,080
  5. Step 5: Solve for x
    x = 232,348,433,137,262,080/419,907,029.40
  6. Step 6: Final answer
    x = 553,333,040.10

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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.