Home / 1,946,710,581.99-2,920,065,906.72-472,840,459.56

Finding the Fourth Proportional to 1,946,710,581.99, 2,920,065,906.72 and 472,840,459.56

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Solution

The fourth proportional to 1,946,710,581.99, 2,920,065,906.72 and 472,840,459.56 is: 709,260,697.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,710,581.99 : 2,920,065,906.72 = 472,840,459.56 : x
  2. Step 2: Convert to fraction form
    1,946,710,581.99/2,920,065,906.72 = 472,840,459.56/x
  3. Step 3: Cross multiply
    1,946,710,581.99x = 2,920,065,906.72 × 472,840,459.56
  4. Step 4: Simplify right side
    1,946,710,581.99x = 1,380,725,305,278,972,672
  5. Step 5: Solve for x
    x = 1,380,725,305,278,972,672/1,946,710,581.99
  6. Step 6: Final answer
    x = 709,260,697.53

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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.