Home / 672,605,014.10-1,008,907,521.15-309,099,370.10

Finding the Fourth Proportional to 672,605,014.10, 1,008,907,521.15 and 309,099,370.10

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Solution

The fourth proportional to 672,605,014.10, 1,008,907,521.15 and 309,099,370.10 is: 463,649,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,605,014.10 : 1,008,907,521.15 = 309,099,370.10 : x
  2. Step 2: Convert to fraction form
    672,605,014.10/1,008,907,521.15 = 309,099,370.10/x
  3. Step 3: Cross multiply
    672,605,014.10x = 1,008,907,521.15 × 309,099,370.10
  4. Step 4: Simplify right side
    672,605,014.10x = 311,852,679,276,617,472
  5. Step 5: Solve for x
    x = 311,852,679,276,617,472/672,605,014.10
  6. Step 6: Final answer
    x = 463,649,055.15

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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.