Home / 1,329,548,873.22-1,994,363,938.82-456,137,990

Finding the Fourth Proportional to 1,329,548,873.22, 1,994,363,938.82 and 456,137,990

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Solution

The fourth proportional to 1,329,548,873.22, 1,994,363,938.82 and 456,137,990 is: 684,220,923.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,548,873.22 : 1,994,363,938.82 = 456,137,990 : x
  2. Step 2: Convert to fraction form
    1,329,548,873.22/1,994,363,938.82 = 456,137,990/x
  3. Step 3: Cross multiply
    1,329,548,873.22x = 1,994,363,938.82 × 456,137,990
  4. Step 4: Simplify right side
    1,329,548,873.22x = 909,705,158,381,837,696
  5. Step 5: Solve for x
    x = 909,705,158,381,837,696/1,329,548,873.22
  6. Step 6: Final answer
    x = 684,220,923.88

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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.