Home / 291,289,644.10-436,934,466.15-262,064,325.70

Finding the Fourth Proportional to 291,289,644.10, 436,934,466.15 and 262,064,325.70

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Solution

The fourth proportional to 291,289,644.10, 436,934,466.15 and 262,064,325.70 is: 393,096,488.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,289,644.10 : 436,934,466.15 = 262,064,325.70 : x
  2. Step 2: Convert to fraction form
    291,289,644.10/436,934,466.15 = 262,064,325.70/x
  3. Step 3: Cross multiply
    291,289,644.10x = 436,934,466.15 × 262,064,325.70
  4. Step 4: Simplify right side
    291,289,644.10x = 114,504,936,246,689,216
  5. Step 5: Solve for x
    x = 114,504,936,246,689,216/291,289,644.10
  6. Step 6: Final answer
    x = 393,096,488.55

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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.