Home / 772,301,212.70-1,158,451,819.05-357,777,232.70

Finding the Fourth Proportional to 772,301,212.70, 1,158,451,819.05 and 357,777,232.70

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Solution

The fourth proportional to 772,301,212.70, 1,158,451,819.05 and 357,777,232.70 is: 536,665,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,301,212.70 : 1,158,451,819.05 = 357,777,232.70 : x
  2. Step 2: Convert to fraction form
    772,301,212.70/1,158,451,819.05 = 357,777,232.70/x
  3. Step 3: Cross multiply
    772,301,212.70x = 1,158,451,819.05 × 357,777,232.70
  4. Step 4: Simplify right side
    772,301,212.70x = 414,467,686,035,990,144
  5. Step 5: Solve for x
    x = 414,467,686,035,990,144/772,301,212.70
  6. Step 6: Final answer
    x = 536,665,849.05

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1.5x scale

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.