Home / 450,836,692.32-675,783,051.42-188,671,449.58

Finding the Fourth Proportional to 450,836,692.32, 675,783,051.42 and 188,671,449.58

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Solution

The fourth proportional to 450,836,692.32, 675,783,051.42 and 188,671,449.58 is: 282,809,651.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,836,692.32 : 675,783,051.42 = 188,671,449.58 : x
  2. Step 2: Convert to fraction form
    450,836,692.32/675,783,051.42 = 188,671,449.58/x
  3. Step 3: Cross multiply
    450,836,692.32x = 675,783,051.42 × 188,671,449.58
  4. Step 4: Simplify right side
    450,836,692.32x = 127,500,967,913,007,072
  5. Step 5: Solve for x
    x = 127,500,967,913,007,072/450,836,692.32
  6. Step 6: Final answer
    x = 282,809,651.67

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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.