Home / 18,638,958,687.18-27,958,438,401.54-4,473,924,441.05

Finding the Fourth Proportional to 18,638,958,687.18, 27,958,438,401.54 and 4,473,924,441.05

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Solution

The fourth proportional to 18,638,958,687.18, 27,958,438,401.54 and 4,473,924,441.05 is: 6,710,886,750.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,638,958,687.18 : 27,958,438,401.54 = 4,473,924,441.05 : x
  2. Step 2: Convert to fraction form
    18,638,958,687.18/27,958,438,401.54 = 4,473,924,441.05/x
  3. Step 3: Cross multiply
    18,638,958,687.18x = 27,958,438,401.54 × 4,473,924,441.05
  4. Step 4: Simplify right side
    18,638,958,687.18x = 125,083,940,898,235,105,280
  5. Step 5: Solve for x
    x = 125,083,940,898,235,105,280/18,638,958,687.18
  6. Step 6: Final answer
    x = 6,710,886,750.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.