Home / 649,981,254.03-896,975,869.16-352,623,496.20

Finding the Fourth Proportional to 649,981,254.03, 896,975,869.16 and 352,623,496.20

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Solution

The fourth proportional to 649,981,254.03, 896,975,869.16 and 352,623,496.20 is: 486,621,367.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,981,254.03 : 896,975,869.16 = 352,623,496.20 : x
  2. Step 2: Convert to fraction form
    649,981,254.03/896,975,869.16 = 352,623,496.20/x
  3. Step 3: Cross multiply
    649,981,254.03x = 896,975,869.16 × 352,623,496.20
  4. Step 4: Simplify right side
    649,981,254.03x = 316,294,766,988,469,824
  5. Step 5: Solve for x
    x = 316,294,766,988,469,824/649,981,254.03
  6. Step 6: Final answer
    x = 486,621,367.97

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Double scale
Find fourth proportional to 649,981,255.03, 896,975,870.54 and 352,623,497.20
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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.