Home / 416,499,345.40-624,749,018.10-309,003,921.40

Finding the Fourth Proportional to 416,499,345.40, 624,749,018.10 and 309,003,921.40

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Solution

The fourth proportional to 416,499,345.40, 624,749,018.10 and 309,003,921.40 is: 463,505,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,499,345.40 : 624,749,018.10 = 309,003,921.40 : x
  2. Step 2: Convert to fraction form
    416,499,345.40/624,749,018.10 = 309,003,921.40/x
  3. Step 3: Cross multiply
    416,499,345.40x = 624,749,018.10 × 309,003,921.40
  4. Step 4: Simplify right side
    416,499,345.40x = 193,049,896,483,699,584
  5. Step 5: Solve for x
    x = 193,049,896,483,699,584/416,499,345.40
  6. Step 6: Final answer
    x = 463,505,882.10

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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.