Home / 383,457,022.80-575,185,534.20-245,707,515.60

Finding the Fourth Proportional to 383,457,022.80, 575,185,534.20 and 245,707,515.60

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Solution

The fourth proportional to 383,457,022.80, 575,185,534.20 and 245,707,515.60 is: 368,561,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,457,022.80 : 575,185,534.20 = 245,707,515.60 : x
  2. Step 2: Convert to fraction form
    383,457,022.80/575,185,534.20 = 245,707,515.60/x
  3. Step 3: Cross multiply
    383,457,022.80x = 575,185,534.20 × 245,707,515.60
  4. Step 4: Simplify right side
    383,457,022.80x = 141,327,408,617,340,848
  5. Step 5: Solve for x
    x = 141,327,408,617,340,848/383,457,022.80
  6. Step 6: Final answer
    x = 368,561,273.40

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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.