Home / 1,607,663,793.47-2,410,667,685.31-721,589,543.68

Finding the Fourth Proportional to 1,607,663,793.47, 2,410,667,685.31 and 721,589,543.68

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Solution

The fourth proportional to 1,607,663,793.47, 2,410,667,685.31 and 721,589,543.68 is: 1,082,012,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607,663,793.47 : 2,410,667,685.31 = 721,589,543.68 : x
  2. Step 2: Convert to fraction form
    1,607,663,793.47/2,410,667,685.31 = 721,589,543.68/x
  3. Step 3: Cross multiply
    1,607,663,793.47x = 2,410,667,685.31 × 721,589,543.68
  4. Step 4: Simplify right side
    1,607,663,793.47x = 1,739,512,594,994,911,232
  5. Step 5: Solve for x
    x = 1,739,512,594,994,911,232/1,607,663,793.47
  6. Step 6: Final answer
    x = 1,082,012,670.85

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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.