Home / 2,137,830,579.09-2,949,157,826.82-1,855,176,300.90

Finding the Fourth Proportional to 2,137,830,579.09, 2,949,157,826.82 and 1,855,176,300.90

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Solution

The fourth proportional to 2,137,830,579.09, 2,949,157,826.82 and 1,855,176,300.90 is: 2,559,233,533.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,830,579.09 : 2,949,157,826.82 = 1,855,176,300.90 : x
  2. Step 2: Convert to fraction form
    2,137,830,579.09/2,949,157,826.82 = 1,855,176,300.90/x
  3. Step 3: Cross multiply
    2,137,830,579.09x = 2,949,157,826.82 × 1,855,176,300.90
  4. Step 4: Simplify right side
    2,137,830,579.09x = 5,471,207,707,930,211,328
  5. Step 5: Solve for x
    x = 5,471,207,707,930,211,328/2,137,830,579.09
  6. Step 6: Final answer
    x = 2,559,233,533.96

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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.