Home / 1,271,808,016.80-1,907,712,025.20-364,068,880.80

Finding the Fourth Proportional to 1,271,808,016.80, 1,907,712,025.20 and 364,068,880.80

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Solution

The fourth proportional to 1,271,808,016.80, 1,907,712,025.20 and 364,068,880.80 is: 546,103,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,808,016.80 : 1,907,712,025.20 = 364,068,880.80 : x
  2. Step 2: Convert to fraction form
    1,271,808,016.80/1,907,712,025.20 = 364,068,880.80/x
  3. Step 3: Cross multiply
    1,271,808,016.80x = 1,907,712,025.20 × 364,068,880.80
  4. Step 4: Simplify right side
    1,271,808,016.80x = 694,538,581,903,265,408
  5. Step 5: Solve for x
    x = 694,538,581,903,265,408/1,271,808,016.80
  6. Step 6: Final answer
    x = 546,103,321.20

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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.