Home / 504,146,657.61-695,771,984.23-305,892,592.56

Finding the Fourth Proportional to 504,146,657.61, 695,771,984.23 and 305,892,592.56

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Solution

The fourth proportional to 504,146,657.61, 695,771,984.23 and 305,892,592.56 is: 422,161,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,146,657.61 : 695,771,984.23 = 305,892,592.56 : x
  2. Step 2: Convert to fraction form
    504,146,657.61/695,771,984.23 = 305,892,592.56/x
  3. Step 3: Cross multiply
    504,146,657.61x = 695,771,984.23 × 305,892,592.56
  4. Step 4: Simplify right side
    504,146,657.61x = 212,831,496,087,684,512
  5. Step 5: Solve for x
    x = 212,831,496,087,684,512/504,146,657.61
  6. Step 6: Final answer
    x = 422,161,870.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.