Home / 702,469,412.16-1,053,295,679.46-265,803,828.64

Finding the Fourth Proportional to 702,469,412.16, 1,053,295,679.46 and 265,803,828.64

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Solution

The fourth proportional to 702,469,412.16, 1,053,295,679.46 and 265,803,828.64 is: 398,551,195.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,469,412.16 : 1,053,295,679.46 = 265,803,828.64 : x
  2. Step 2: Convert to fraction form
    702,469,412.16/1,053,295,679.46 = 265,803,828.64/x
  3. Step 3: Cross multiply
    702,469,412.16x = 1,053,295,679.46 × 265,803,828.64
  4. Step 4: Simplify right side
    702,469,412.16x = 279,970,024,290,438,208
  5. Step 5: Solve for x
    x = 279,970,024,290,438,208/702,469,412.16
  6. Step 6: Final answer
    x = 398,551,195.89

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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.