Home / 1,198,087,987.98-1,653,425,290.80-669,464,806.26

Finding the Fourth Proportional to 1,198,087,987.98, 1,653,425,290.80 and 669,464,806.26

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Solution

The fourth proportional to 1,198,087,987.98, 1,653,425,290.80 and 669,464,806.26 is: 923,897,120.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,087,987.98 : 1,653,425,290.80 = 669,464,806.26 : x
  2. Step 2: Convert to fraction form
    1,198,087,987.98/1,653,425,290.80 = 669,464,806.26/x
  3. Step 3: Cross multiply
    1,198,087,987.98x = 1,653,425,290.80 × 669,464,806.26
  4. Step 4: Simplify right side
    1,198,087,987.98x = 1,106,910,041,970,806,144
  5. Step 5: Solve for x
    x = 1,106,910,041,970,806,144/1,198,087,987.98
  6. Step 6: Final answer
    x = 923,897,120.31

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.