Home / 6,459,340,964.80-9,689,011,447.20-3,520,684,811.20

Finding the Fourth Proportional to 6,459,340,964.80, 9,689,011,447.20 and 3,520,684,811.20

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Solution

The fourth proportional to 6,459,340,964.80, 9,689,011,447.20 and 3,520,684,811.20 is: 5,281,027,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459,340,964.80 : 9,689,011,447.20 = 3,520,684,811.20 : x
  2. Step 2: Convert to fraction form
    6,459,340,964.80/9,689,011,447.20 = 3,520,684,811.20/x
  3. Step 3: Cross multiply
    6,459,340,964.80x = 9,689,011,447.20 × 3,520,684,811.20
  4. Step 4: Simplify right side
    6,459,340,964.80x = 34,111,955,437,699,973,120
  5. Step 5: Solve for x
    x = 34,111,955,437,699,973,120/6,459,340,964.80
  6. Step 6: Final answer
    x = 5,281,027,216.80

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Similar ratio
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1.5x scale

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.