Home / 450,482,525.27-621,881,453.72-300,025,565.07

Finding the Fourth Proportional to 450,482,525.27, 621,881,453.72 and 300,025,565.07

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Solution

The fourth proportional to 450,482,525.27, 621,881,453.72 and 300,025,565.07 is: 414,178,850.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,482,525.27 : 621,881,453.72 = 300,025,565.07 : x
  2. Step 2: Convert to fraction form
    450,482,525.27/621,881,453.72 = 300,025,565.07/x
  3. Step 3: Cross multiply
    450,482,525.27x = 621,881,453.72 × 300,025,565.07
  4. Step 4: Simplify right side
    450,482,525.27x = 186,580,334,559,646,112
  5. Step 5: Solve for x
    x = 186,580,334,559,646,112/450,482,525.27
  6. Step 6: Final answer
    x = 414,178,850.67

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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.