Home / 379,848,420.05-524,245,872.02-218,881,087.23

Finding the Fourth Proportional to 379,848,420.05, 524,245,872.02 and 218,881,087.23

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Solution

The fourth proportional to 379,848,420.05, 524,245,872.02 and 218,881,087.23 is: 302,087,623.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,848,420.05 : 524,245,872.02 = 218,881,087.23 : x
  2. Step 2: Convert to fraction form
    379,848,420.05/524,245,872.02 = 218,881,087.23/x
  3. Step 3: Cross multiply
    379,848,420.05x = 524,245,872.02 × 218,881,087.23
  4. Step 4: Simplify right side
    379,848,420.05x = 114,747,506,441,927,424
  5. Step 5: Solve for x
    x = 114,747,506,441,927,424/379,848,420.05
  6. Step 6: Final answer
    x = 302,087,623.34

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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.