Home / 815,479,839,559-1,223,268,790,824.40-249,522,429,477.84

Finding the Fourth Proportional to 815,479,839,559, 1,223,268,790,824.40 and 249,522,429,477.84

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Solution

The fourth proportional to 815,479,839,559, 1,223,268,790,824.40 and 249,522,429,477.84 is: 374,298,646,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,479,839,559 : 1,223,268,790,824.40 = 249,522,429,477.84 : x
  2. Step 2: Convert to fraction form
    815,479,839,559/1,223,268,790,824.40 = 249,522,429,477.84/x
  3. Step 3: Cross multiply
    815,479,839,559x = 1,223,268,790,824.40 × 249,522,429,477.84
  4. Step 4: Simplify right side
    815,479,839,559x = 305,233,000,590,923,903,533,056
  5. Step 5: Solve for x
    x = 305,233,000,590,923,903,533,056/815,479,839,559
  6. Step 6: Final answer
    x = 374,298,646,985.55

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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.