Home / 621,602,536.27-857,807,136.26-339,344,977.05

Finding the Fourth Proportional to 621,602,536.27, 857,807,136.26 and 339,344,977.05

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Solution

The fourth proportional to 621,602,536.27, 857,807,136.26 and 339,344,977.05 is: 468,293,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,602,536.27 : 857,807,136.26 = 339,344,977.05 : x
  2. Step 2: Convert to fraction form
    621,602,536.27/857,807,136.26 = 339,344,977.05/x
  3. Step 3: Cross multiply
    621,602,536.27x = 857,807,136.26 × 339,344,977.05
  4. Step 4: Simplify right side
    621,602,536.27x = 291,092,542,961,490,176
  5. Step 5: Solve for x
    x = 291,092,542,961,490,176/621,602,536.27
  6. Step 6: Final answer
    x = 468,293,686.04

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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.