Home / 437,364,315.20-603,563,841.60-239,138,602.56

Finding the Fourth Proportional to 437,364,315.20, 603,563,841.60 and 239,138,602.56

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Solution

The fourth proportional to 437,364,315.20, 603,563,841.60 and 239,138,602.56 is: 330,011,865.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,364,315.20 : 603,563,841.60 = 239,138,602.56 : x
  2. Step 2: Convert to fraction form
    437,364,315.20/603,563,841.60 = 239,138,602.56/x
  3. Step 3: Cross multiply
    437,364,315.20x = 603,563,841.60 × 239,138,602.56
  4. Step 4: Simplify right side
    437,364,315.20x = 144,335,413,635,969,216
  5. Step 5: Solve for x
    x = 144,335,413,635,969,216/437,364,315.20
  6. Step 6: Final answer
    x = 330,011,865.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.