Home / 277,315,482.24-383,093,990.64-221,487,605.28

Finding the Fourth Proportional to 277,315,482.24, 383,093,990.64 and 221,487,605.28

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Solution

The fourth proportional to 277,315,482.24, 383,093,990.64 and 221,487,605.28 is: 305,971,271.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,315,482.24 : 383,093,990.64 = 221,487,605.28 : x
  2. Step 2: Convert to fraction form
    277,315,482.24/383,093,990.64 = 221,487,605.28/x
  3. Step 3: Cross multiply
    277,315,482.24x = 383,093,990.64 × 221,487,605.28
  4. Step 4: Simplify right side
    277,315,482.24x = 84,850,570,584,012,336
  5. Step 5: Solve for x
    x = 84,850,570,584,012,336/277,315,482.24
  6. Step 6: Final answer
    x = 305,971,271.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.