Home / 328,849,389.24-453,754,472.67-187,656,144.36

Finding the Fourth Proportional to 328,849,389.24, 453,754,472.67 and 187,656,144.36

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Solution

The fourth proportional to 328,849,389.24, 453,754,472.67 and 187,656,144.36 is: 258,932,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,849,389.24 : 453,754,472.67 = 187,656,144.36 : x
  2. Step 2: Convert to fraction form
    328,849,389.24/453,754,472.67 = 187,656,144.36/x
  3. Step 3: Cross multiply
    328,849,389.24x = 453,754,472.67 × 187,656,144.36
  4. Step 4: Simplify right side
    328,849,389.24x = 85,149,814,825,655,616
  5. Step 5: Solve for x
    x = 85,149,814,825,655,616/328,849,389.24
  6. Step 6: Final answer
    x = 258,932,561.87

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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.