Home / 505,524,669.30-757,011,545.55-403,487,997.30

Finding the Fourth Proportional to 505,524,669.30, 757,011,545.55 and 403,487,997.30

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Solution

The fourth proportional to 505,524,669.30, 757,011,545.55 and 403,487,997.30 is: 604,213,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,524,669.30 : 757,011,545.55 = 403,487,997.30 : x
  2. Step 2: Convert to fraction form
    505,524,669.30/757,011,545.55 = 403,487,997.30/x
  3. Step 3: Cross multiply
    505,524,669.30x = 757,011,545.55 × 403,487,997.30
  4. Step 4: Simplify right side
    505,524,669.30x = 305,445,072,446,947,200
  5. Step 5: Solve for x
    x = 305,445,072,446,947,200/505,524,669.30
  6. Step 6: Final answer
    x = 604,213,980.04

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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.