Home / 1,647,203,676.10-2,470,803,427.58-420,372,155.14

Finding the Fourth Proportional to 1,647,203,676.10, 2,470,803,427.58 and 420,372,155.14

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Solution

The fourth proportional to 1,647,203,676.10, 2,470,803,427.58 and 420,372,155.14 is: 630,557,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,203,676.10 : 2,470,803,427.58 = 420,372,155.14 : x
  2. Step 2: Convert to fraction form
    1,647,203,676.10/2,470,803,427.58 = 420,372,155.14/x
  3. Step 3: Cross multiply
    1,647,203,676.10x = 2,470,803,427.58 × 420,372,155.14
  4. Step 4: Simplify right side
    1,647,203,676.10x = 1,038,656,961,779,103,488
  5. Step 5: Solve for x
    x = 1,038,656,961,779,103,488/1,647,203,676.10
  6. Step 6: Final answer
    x = 630,557,700.21

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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.