Home / 383,397,487.20-575,457,037.20-201,775,010.40

Finding the Fourth Proportional to 383,397,487.20, 575,457,037.20 and 201,775,010.40

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Solution

The fourth proportional to 383,397,487.20, 575,457,037.20 and 201,775,010.40 is: 302,852,401.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,397,487.20 : 575,457,037.20 = 201,775,010.40 : x
  2. Step 2: Convert to fraction form
    383,397,487.20/575,457,037.20 = 201,775,010.40/x
  3. Step 3: Cross multiply
    383,397,487.20x = 575,457,037.20 × 201,775,010.40
  4. Step 4: Simplify right side
    383,397,487.20x = 116,112,849,665,783,200
  5. Step 5: Solve for x
    x = 116,112,849,665,783,200/383,397,487.20
  6. Step 6: Final answer
    x = 302,852,401.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.