Home / 1,284,351,652.35-1,926,531,069.93-399,166,448.65

Finding the Fourth Proportional to 1,284,351,652.35, 1,926,531,069.93 and 399,166,448.65

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Solution

The fourth proportional to 1,284,351,652.35, 1,926,531,069.93 and 399,166,448.65 is: 598,750,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,351,652.35 : 1,926,531,069.93 = 399,166,448.65 : x
  2. Step 2: Convert to fraction form
    1,284,351,652.35/1,926,531,069.93 = 399,166,448.65/x
  3. Step 3: Cross multiply
    1,284,351,652.35x = 1,926,531,069.93 × 399,166,448.65
  4. Step 4: Simplify right side
    1,284,351,652.35x = 769,006,565,392,827,008
  5. Step 5: Solve for x
    x = 769,006,565,392,827,008/1,284,351,652.35
  6. Step 6: Final answer
    x = 598,750,789.15

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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.