Home / 1,382,067,393.60-1,897,100,777.76-1,221,926,505.60

Finding the Fourth Proportional to 1,382,067,393.60, 1,897,100,777.76 and 1,221,926,505.60

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Solution

The fourth proportional to 1,382,067,393.60, 1,897,100,777.76 and 1,221,926,505.60 is: 1,677,282,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,067,393.60 : 1,897,100,777.76 = 1,221,926,505.60 : x
  2. Step 2: Convert to fraction form
    1,382,067,393.60/1,897,100,777.76 = 1,221,926,505.60/x
  3. Step 3: Cross multiply
    1,382,067,393.60x = 1,897,100,777.76 × 1,221,926,505.60
  4. Step 4: Simplify right side
    1,382,067,393.60x = 2,318,117,724,139,318,784
  5. Step 5: Solve for x
    x = 2,318,117,724,139,318,784/1,382,067,393.60
  6. Step 6: Final answer
    x = 1,677,282,696.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.