Home / 1,210,157,554.44-1,815,764,326.49-423,775,618.89

Finding the Fourth Proportional to 1,210,157,554.44, 1,815,764,326.49 and 423,775,618.89

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Solution

The fourth proportional to 1,210,157,554.44, 1,815,764,326.49 and 423,775,618.89 is: 635,848,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,157,554.44 : 1,815,764,326.49 = 423,775,618.89 : x
  2. Step 2: Convert to fraction form
    1,210,157,554.44/1,815,764,326.49 = 423,775,618.89/x
  3. Step 3: Cross multiply
    1,210,157,554.44x = 1,815,764,326.49 × 423,775,618.89
  4. Step 4: Simplify right side
    1,210,157,554.44x = 769,476,651,214,564,864
  5. Step 5: Solve for x
    x = 769,476,651,214,564,864/1,210,157,554.44
  6. Step 6: Final answer
    x = 635,848,322.72

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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.