Home / 1,123,892,893.37-1,685,258,461.92-493,366,884.05

Finding the Fourth Proportional to 1,123,892,893.37, 1,685,258,461.92 and 493,366,884.05

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Solution

The fourth proportional to 1,123,892,893.37, 1,685,258,461.92 and 493,366,884.05 is: 739,795,331.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,892,893.37 : 1,685,258,461.92 = 493,366,884.05 : x
  2. Step 2: Convert to fraction form
    1,123,892,893.37/1,685,258,461.92 = 493,366,884.05/x
  3. Step 3: Cross multiply
    1,123,892,893.37x = 1,685,258,461.92 × 493,366,884.05
  4. Step 4: Simplify right side
    1,123,892,893.37x = 831,450,716,176,366,080
  5. Step 5: Solve for x
    x = 831,450,716,176,366,080/1,123,892,893.37
  6. Step 6: Final answer
    x = 739,795,331.99

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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.