Home / 548,050,643.60-822,075,965.40-431,824,496.90

Finding the Fourth Proportional to 548,050,643.60, 822,075,965.40 and 431,824,496.90

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Solution

The fourth proportional to 548,050,643.60, 822,075,965.40 and 431,824,496.90 is: 647,736,745.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,050,643.60 : 822,075,965.40 = 431,824,496.90 : x
  2. Step 2: Convert to fraction form
    548,050,643.60/822,075,965.40 = 431,824,496.90/x
  3. Step 3: Cross multiply
    548,050,643.60x = 822,075,965.40 × 431,824,496.90
  4. Step 4: Simplify right side
    548,050,643.60x = 354,992,540,172,436,800
  5. Step 5: Solve for x
    x = 354,992,540,172,436,800/548,050,643.60
  6. Step 6: Final answer
    x = 647,736,745.35

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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.