Home / 1,679,619,941.60-2,519,429,912.40-819,656,549.60

Finding the Fourth Proportional to 1,679,619,941.60, 2,519,429,912.40 and 819,656,549.60

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Solution

The fourth proportional to 1,679,619,941.60, 2,519,429,912.40 and 819,656,549.60 is: 1,229,484,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,619,941.60 : 2,519,429,912.40 = 819,656,549.60 : x
  2. Step 2: Convert to fraction form
    1,679,619,941.60/2,519,429,912.40 = 819,656,549.60/x
  3. Step 3: Cross multiply
    1,679,619,941.60x = 2,519,429,912.40 × 819,656,549.60
  4. Step 4: Simplify right side
    1,679,619,941.60x = 2,065,067,228,956,814,336
  5. Step 5: Solve for x
    x = 2,065,067,228,956,814,336/1,679,619,941.60
  6. Step 6: Final answer
    x = 1,229,484,824.40

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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.