Home / 302,156,644.60-453,234,966.90-266,443,809.40

Finding the Fourth Proportional to 302,156,644.60, 453,234,966.90 and 266,443,809.40

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Solution

The fourth proportional to 302,156,644.60, 453,234,966.90 and 266,443,809.40 is: 399,665,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,156,644.60 : 453,234,966.90 = 266,443,809.40 : x
  2. Step 2: Convert to fraction form
    302,156,644.60/453,234,966.90 = 266,443,809.40/x
  3. Step 3: Cross multiply
    302,156,644.60x = 453,234,966.90 × 266,443,809.40
  4. Step 4: Simplify right side
    302,156,644.60x = 120,761,651,134,118,912
  5. Step 5: Solve for x
    x = 120,761,651,134,118,912/302,156,644.60
  6. Step 6: Final answer
    x = 399,665,714.10

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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.