Home / 209,530,412,679.52-289,205,769,058.48-136,468,706,578.72

Finding the Fourth Proportional to 209,530,412,679.52, 289,205,769,058.48 and 136,468,706,578.72

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Solution

The fourth proportional to 209,530,412,679.52, 289,205,769,058.48 and 136,468,706,578.72 is: 188,361,855,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,530,412,679.52 : 289,205,769,058.48 = 136,468,706,578.72 : x
  2. Step 2: Convert to fraction form
    209,530,412,679.52/289,205,769,058.48 = 136,468,706,578.72/x
  3. Step 3: Cross multiply
    209,530,412,679.52x = 289,205,769,058.48 × 136,468,706,578.72
  4. Step 4: Simplify right side
    209,530,412,679.52x = 39,467,537,238,514,764,611,584
  5. Step 5: Solve for x
    x = 39,467,537,238,514,764,611,584/209,530,412,679.52
  6. Step 6: Final answer
    x = 188,361,855,130.22

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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.