Home / 699,408,093.70-1,049,112,140.55-214,670,916.10

Finding the Fourth Proportional to 699,408,093.70, 1,049,112,140.55 and 214,670,916.10

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Solution

The fourth proportional to 699,408,093.70, 1,049,112,140.55 and 214,670,916.10 is: 322,006,374.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,408,093.70 : 1,049,112,140.55 = 214,670,916.10 : x
  2. Step 2: Convert to fraction form
    699,408,093.70/1,049,112,140.55 = 214,670,916.10/x
  3. Step 3: Cross multiply
    699,408,093.70x = 1,049,112,140.55 × 214,670,916.10
  4. Step 4: Simplify right side
    699,408,093.70x = 225,213,864,303,500,448
  5. Step 5: Solve for x
    x = 225,213,864,303,500,448/699,408,093.70
  6. Step 6: Final answer
    x = 322,006,374.15

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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.