Home / 465,971,297.72-643,054,057.02-254,291,795.87

Finding the Fourth Proportional to 465,971,297.72, 643,054,057.02 and 254,291,795.87

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Solution

The fourth proportional to 465,971,297.72, 643,054,057.02 and 254,291,795.87 is: 350,930,136.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,971,297.72 : 643,054,057.02 = 254,291,795.87 : x
  2. Step 2: Convert to fraction form
    465,971,297.72/643,054,057.02 = 254,291,795.87/x
  3. Step 3: Cross multiply
    465,971,297.72x = 643,054,057.02 × 254,291,795.87
  4. Step 4: Simplify right side
    465,971,297.72x = 163,523,370,997,889,920
  5. Step 5: Solve for x
    x = 163,523,370,997,889,920/465,971,297.72
  6. Step 6: Final answer
    x = 350,930,136.25

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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.