Home / 383,107,703.18-528,688,610.14-206,895,681.56

Finding the Fourth Proportional to 383,107,703.18, 528,688,610.14 and 206,895,681.56

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Solution

The fourth proportional to 383,107,703.18, 528,688,610.14 and 206,895,681.56 is: 285,516,029.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,107,703.18 : 528,688,610.14 = 206,895,681.56 : x
  2. Step 2: Convert to fraction form
    383,107,703.18/528,688,610.14 = 206,895,681.56/x
  3. Step 3: Cross multiply
    383,107,703.18x = 528,688,610.14 × 206,895,681.56
  4. Step 4: Simplify right side
    383,107,703.18x = 109,383,390,327,924,432
  5. Step 5: Solve for x
    x = 109,383,390,327,924,432/383,107,703.18
  6. Step 6: Final answer
    x = 285,516,029.62

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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.