Home / 689,885,076.24-1,034,769,320.28-223,536,628.80

Finding the Fourth Proportional to 689,885,076.24, 1,034,769,320.28 and 223,536,628.80

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Solution

The fourth proportional to 689,885,076.24, 1,034,769,320.28 and 223,536,628.80 is: 335,286,054.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,885,076.24 : 1,034,769,320.28 = 223,536,628.80 : x
  2. Step 2: Convert to fraction form
    689,885,076.24/1,034,769,320.28 = 223,536,628.80/x
  3. Step 3: Cross multiply
    689,885,076.24x = 1,034,769,320.28 × 223,536,628.80
  4. Step 4: Simplify right side
    689,885,076.24x = 231,308,845,441,058,688
  5. Step 5: Solve for x
    x = 231,308,845,441,058,688/689,885,076.24
  6. Step 6: Final answer
    x = 335,286,054.75

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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.