Home / 610,923,723.21-843,102,500.10-360,038,703.69

Finding the Fourth Proportional to 610,923,723.21, 843,102,500.10 and 360,038,703.69

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Solution

The fourth proportional to 610,923,723.21, 843,102,500.10 and 360,038,703.69 is: 496,869,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,923,723.21 : 843,102,500.10 = 360,038,703.69 : x
  2. Step 2: Convert to fraction form
    610,923,723.21/843,102,500.10 = 360,038,703.69/x
  3. Step 3: Cross multiply
    610,923,723.21x = 843,102,500.10 × 360,038,703.69
  4. Step 4: Simplify right side
    610,923,723.21x = 303,549,531,213,802,112
  5. Step 5: Solve for x
    x = 303,549,531,213,802,112/610,923,723.21
  6. Step 6: Final answer
    x = 496,869,772.25

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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.