Home / 702,028,449.60-1,053,042,674.40-339,231,393.60

Finding the Fourth Proportional to 702,028,449.60, 1,053,042,674.40 and 339,231,393.60

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Solution

The fourth proportional to 702,028,449.60, 1,053,042,674.40 and 339,231,393.60 is: 508,847,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,028,449.60 : 1,053,042,674.40 = 339,231,393.60 : x
  2. Step 2: Convert to fraction form
    702,028,449.60/1,053,042,674.40 = 339,231,393.60/x
  3. Step 3: Cross multiply
    702,028,449.60x = 1,053,042,674.40 × 339,231,393.60
  4. Step 4: Simplify right side
    702,028,449.60x = 357,225,133,956,983,040
  5. Step 5: Solve for x
    x = 357,225,133,956,983,040/702,028,449.60
  6. Step 6: Final answer
    x = 508,847,090.40

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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.