Home / 268,015,271.60-402,022,907.40-240,805,492.40

Finding the Fourth Proportional to 268,015,271.60, 402,022,907.40 and 240,805,492.40

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Solution

The fourth proportional to 268,015,271.60, 402,022,907.40 and 240,805,492.40 is: 361,208,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,015,271.60 : 402,022,907.40 = 240,805,492.40 : x
  2. Step 2: Convert to fraction form
    268,015,271.60/402,022,907.40 = 240,805,492.40/x
  3. Step 3: Cross multiply
    268,015,271.60x = 402,022,907.40 × 240,805,492.40
  4. Step 4: Simplify right side
    268,015,271.60x = 96,809,324,172,536,608
  5. Step 5: Solve for x
    x = 96,809,324,172,536,608/268,015,271.60
  6. Step 6: Final answer
    x = 361,208,238.60

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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.