Home / 642,299,007.60-886,426,833.24-360,036,936

Finding the Fourth Proportional to 642,299,007.60, 886,426,833.24 and 360,036,936

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Solution

The fourth proportional to 642,299,007.60, 886,426,833.24 and 360,036,936 is: 496,881,354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,299,007.60 : 886,426,833.24 = 360,036,936 : x
  2. Step 2: Convert to fraction form
    642,299,007.60/886,426,833.24 = 360,036,936/x
  3. Step 3: Cross multiply
    642,299,007.60x = 886,426,833.24 × 360,036,936
  4. Step 4: Simplify right side
    642,299,007.60x = 319,146,401,027,912,576
  5. Step 5: Solve for x
    x = 319,146,401,027,912,576/642,299,007.60
  6. Step 6: Final answer
    x = 496,881,354.71

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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.