Home / 459,936,672.10-689,905,008.15-369,237,408.10

Finding the Fourth Proportional to 459,936,672.10, 689,905,008.15 and 369,237,408.10

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Solution

The fourth proportional to 459,936,672.10, 689,905,008.15 and 369,237,408.10 is: 553,856,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,936,672.10 : 689,905,008.15 = 369,237,408.10 : x
  2. Step 2: Convert to fraction form
    459,936,672.10/689,905,008.15 = 369,237,408.10/x
  3. Step 3: Cross multiply
    459,936,672.10x = 689,905,008.15 × 369,237,408.10
  4. Step 4: Simplify right side
    459,936,672.10x = 254,738,737,044,515,392
  5. Step 5: Solve for x
    x = 254,738,737,044,515,392/459,936,672.10
  6. Step 6: Final answer
    x = 553,856,112.15

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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.