Home / 1,730,409,424.87-2,595,614,167.37-420,302,649.44

Finding the Fourth Proportional to 1,730,409,424.87, 2,595,614,167.37 and 420,302,649.44

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Solution

The fourth proportional to 1,730,409,424.87, 2,595,614,167.37 and 420,302,649.44 is: 630,453,981.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730,409,424.87 : 2,595,614,167.37 = 420,302,649.44 : x
  2. Step 2: Convert to fraction form
    1,730,409,424.87/2,595,614,167.37 = 420,302,649.44/x
  3. Step 3: Cross multiply
    1,730,409,424.87x = 2,595,614,167.37 × 420,302,649.44
  4. Step 4: Simplify right side
    1,730,409,424.87x = 1,090,943,511,467,508,992
  5. Step 5: Solve for x
    x = 1,090,943,511,467,508,992/1,730,409,424.87
  6. Step 6: Final answer
    x = 630,453,981.46

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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.