Home / 621,628,282.56-857,836,136.16-343,162,643.52

Finding the Fourth Proportional to 621,628,282.56, 857,836,136.16 and 343,162,643.52

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Solution

The fourth proportional to 621,628,282.56, 857,836,136.16 and 343,162,643.52 is: 473,558,434.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,628,282.56 : 857,836,136.16 = 343,162,643.52 : x
  2. Step 2: Convert to fraction form
    621,628,282.56/857,836,136.16 = 343,162,643.52/x
  3. Step 3: Cross multiply
    621,628,282.56x = 857,836,136.16 × 343,162,643.52
  4. Step 4: Simplify right side
    621,628,282.56x = 294,377,316,191,648,256
  5. Step 5: Solve for x
    x = 294,377,316,191,648,256/621,628,282.56
  6. Step 6: Final answer
    x = 473,558,434.28

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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.