Home / 398,835,773.85-550,485,200.93-233,876,487.45

Finding the Fourth Proportional to 398,835,773.85, 550,485,200.93 and 233,876,487.45

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Solution

The fourth proportional to 398,835,773.85, 550,485,200.93 and 233,876,487.45 is: 322,803,403.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,835,773.85 : 550,485,200.93 = 233,876,487.45 : x
  2. Step 2: Convert to fraction form
    398,835,773.85/550,485,200.93 = 233,876,487.45/x
  3. Step 3: Cross multiply
    398,835,773.85x = 550,485,200.93 × 233,876,487.45
  4. Step 4: Simplify right side
    398,835,773.85x = 128,745,545,186,715,856
  5. Step 5: Solve for x
    x = 128,745,545,186,715,856/398,835,773.85
  6. Step 6: Final answer
    x = 322,803,403.38

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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.