Home / 848,362,851.11-1,272,592,074.05-258,172,284.89

Finding the Fourth Proportional to 848,362,851.11, 1,272,592,074.05 and 258,172,284.89

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Solution

The fourth proportional to 848,362,851.11, 1,272,592,074.05 and 258,172,284.89 is: 387,272,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,362,851.11 : 1,272,592,074.05 = 258,172,284.89 : x
  2. Step 2: Convert to fraction form
    848,362,851.11/1,272,592,074.05 = 258,172,284.89/x
  3. Step 3: Cross multiply
    848,362,851.11x = 1,272,592,074.05 × 258,172,284.89
  4. Step 4: Simplify right side
    848,362,851.11x = 328,548,003,494,219,520
  5. Step 5: Solve for x
    x = 328,548,003,494,219,520/848,362,851.11
  6. Step 6: Final answer
    x = 387,272,972.95

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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.