Home / 481,071,358.67-663,878,475.03-261,054,784.67

Finding the Fourth Proportional to 481,071,358.67, 663,878,475.03 and 261,054,784.67

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Solution

The fourth proportional to 481,071,358.67, 663,878,475.03 and 261,054,784.67 is: 360,255,602.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,071,358.67 : 663,878,475.03 = 261,054,784.67 : x
  2. Step 2: Convert to fraction form
    481,071,358.67/663,878,475.03 = 261,054,784.67/x
  3. Step 3: Cross multiply
    481,071,358.67x = 663,878,475.03 × 261,054,784.67
  4. Step 4: Simplify right side
    481,071,358.67x = 173,308,652,346,004,608
  5. Step 5: Solve for x
    x = 173,308,652,346,004,608/481,071,358.67
  6. Step 6: Final answer
    x = 360,255,602.88

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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.