Home / 1,192,801,521.51-1,788,603,559.43-694,973,175.75

Finding the Fourth Proportional to 1,192,801,521.51, 1,788,603,559.43 and 694,973,175.75

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Solution

The fourth proportional to 1,192,801,521.51, 1,788,603,559.43 and 694,973,175.75 is: 1,042,110,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,801,521.51 : 1,788,603,559.43 = 694,973,175.75 : x
  2. Step 2: Convert to fraction form
    1,192,801,521.51/1,788,603,559.43 = 694,973,175.75/x
  3. Step 3: Cross multiply
    1,192,801,521.51x = 1,788,603,559.43 × 694,973,175.75
  4. Step 4: Simplify right side
    1,192,801,521.51x = 1,243,031,495,851,346,176
  5. Step 5: Solve for x
    x = 1,243,031,495,851,346,176/1,192,801,521.51
  6. Step 6: Final answer
    x = 1,042,110,924.10

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Double scale
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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.