Home / 361,118,256.46-498,495,745.70-243,802,491.69

Finding the Fourth Proportional to 361,118,256.46, 498,495,745.70 and 243,802,491.69

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Solution

The fourth proportional to 361,118,256.46, 498,495,745.70 and 243,802,491.69 is: 336,550,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,118,256.46 : 498,495,745.70 = 243,802,491.69 : x
  2. Step 2: Convert to fraction form
    361,118,256.46/498,495,745.70 = 243,802,491.69/x
  3. Step 3: Cross multiply
    361,118,256.46x = 498,495,745.70 × 243,802,491.69
  4. Step 4: Simplify right side
    361,118,256.46x = 121,534,504,898,524,592
  5. Step 5: Solve for x
    x = 121,534,504,898,524,592/361,118,256.46
  6. Step 6: Final answer
    x = 336,550,431.12

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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.