Home / 302,156,511.60-453,234,767.40-266,443,676.40

Finding the Fourth Proportional to 302,156,511.60, 453,234,767.40 and 266,443,676.40

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Solution

The fourth proportional to 302,156,511.60, 453,234,767.40 and 266,443,676.40 is: 399,665,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,156,511.60 : 453,234,767.40 = 266,443,676.40 : x
  2. Step 2: Convert to fraction form
    302,156,511.60/453,234,767.40 = 266,443,676.40/x
  3. Step 3: Cross multiply
    302,156,511.60x = 453,234,767.40 × 266,443,676.40
  4. Step 4: Simplify right side
    302,156,511.60x = 120,761,537,698,354,864
  5. Step 5: Solve for x
    x = 120,761,537,698,354,864/302,156,511.60
  6. Step 6: Final answer
    x = 399,665,514.60

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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.