Home / 769,033,616.40-1,153,581,917.40-223,775,150.40

Finding the Fourth Proportional to 769,033,616.40, 1,153,581,917.40 and 223,775,150.40

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Solution

The fourth proportional to 769,033,616.40, 1,153,581,917.40 and 223,775,150.40 is: 335,671,889.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,033,616.40 : 1,153,581,917.40 = 223,775,150.40 : x
  2. Step 2: Convert to fraction form
    769,033,616.40/1,153,581,917.40 = 223,775,150.40/x
  3. Step 3: Cross multiply
    769,033,616.40x = 1,153,581,917.40 × 223,775,150.40
  4. Step 4: Simplify right side
    769,033,616.40x = 258,142,967,064,905,408
  5. Step 5: Solve for x
    x = 258,142,967,064,905,408/769,033,616.40
  6. Step 6: Final answer
    x = 335,671,889.45

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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.