Home / 356,681,721,045.44-492,220,855,388.80-196,289,638,599.36

Finding the Fourth Proportional to 356,681,721,045.44, 492,220,855,388.80 and 196,289,638,599.36

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Solution

The fourth proportional to 356,681,721,045.44, 492,220,855,388.80 and 196,289,638,599.36 is: 270,879,745,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,681,721,045.44 : 492,220,855,388.80 = 196,289,638,599.36 : x
  2. Step 2: Convert to fraction form
    356,681,721,045.44/492,220,855,388.80 = 196,289,638,599.36/x
  3. Step 3: Cross multiply
    356,681,721,045.44x = 492,220,855,388.80 × 196,289,638,599.36
  4. Step 4: Simplify right side
    356,681,721,045.44x = 96,617,853,815,335,377,960,960
  5. Step 5: Solve for x
    x = 96,617,853,815,335,377,960,960/356,681,721,045.44
  6. Step 6: Final answer
    x = 270,879,745,483.30

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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.