Home / 360,232,721.82-497,121,581.21-195,220,291.32

Finding the Fourth Proportional to 360,232,721.82, 497,121,581.21 and 195,220,291.32

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Solution

The fourth proportional to 360,232,721.82, 497,121,581.21 and 195,220,291.32 is: 269,404,232.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,232,721.82 : 497,121,581.21 = 195,220,291.32 : x
  2. Step 2: Convert to fraction form
    360,232,721.82/497,121,581.21 = 195,220,291.32/x
  3. Step 3: Cross multiply
    360,232,721.82x = 497,121,581.21 × 195,220,291.32
  4. Step 4: Simplify right side
    360,232,721.82x = 97,048,219,904,299,136
  5. Step 5: Solve for x
    x = 97,048,219,904,299,136/360,232,721.82
  6. Step 6: Final answer
    x = 269,404,232.39

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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.