Home / 672,605,018.60-1,008,907,527.90-309,099,374.60

Finding the Fourth Proportional to 672,605,018.60, 1,008,907,527.90 and 309,099,374.60

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Solution

The fourth proportional to 672,605,018.60, 1,008,907,527.90 and 309,099,374.60 is: 463,649,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,605,018.60 : 1,008,907,527.90 = 309,099,374.60 : x
  2. Step 2: Convert to fraction form
    672,605,018.60/1,008,907,527.90 = 309,099,374.60/x
  3. Step 3: Cross multiply
    672,605,018.60x = 1,008,907,527.90 × 309,099,374.60
  4. Step 4: Simplify right side
    672,605,018.60x = 311,852,685,903,122,048
  5. Step 5: Solve for x
    x = 311,852,685,903,122,048/672,605,018.60
  6. Step 6: Final answer
    x = 463,649,061.90

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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.