Home / 405,514,156.21-608,294,785.57-156,520,835.80

Finding the Fourth Proportional to 405,514,156.21, 608,294,785.57 and 156,520,835.80

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Solution

The fourth proportional to 405,514,156.21, 608,294,785.57 and 156,520,835.80 is: 234,790,344.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,514,156.21 : 608,294,785.57 = 156,520,835.80 : x
  2. Step 2: Convert to fraction form
    405,514,156.21/608,294,785.57 = 156,520,835.80/x
  3. Step 3: Cross multiply
    405,514,156.21x = 608,294,785.57 × 156,520,835.80
  4. Step 4: Simplify right side
    405,514,156.21x = 95,210,808,248,286,144
  5. Step 5: Solve for x
    x = 95,210,808,248,286,144/405,514,156.21
  6. Step 6: Final answer
    x = 234,790,344.04

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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.