Home / 961,463,249.34-1,326,819,283.83-521,430,101.34

Finding the Fourth Proportional to 961,463,249.34, 1,326,819,283.83 and 521,430,101.34

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Solution

The fourth proportional to 961,463,249.34, 1,326,819,283.83 and 521,430,101.34 is: 719,573,539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,463,249.34 : 1,326,819,283.83 = 521,430,101.34 : x
  2. Step 2: Convert to fraction form
    961,463,249.34/1,326,819,283.83 = 521,430,101.34/x
  3. Step 3: Cross multiply
    961,463,249.34x = 1,326,819,283.83 × 521,430,101.34
  4. Step 4: Simplify right side
    961,463,249.34x = 691,843,513,627,343,104
  5. Step 5: Solve for x
    x = 691,843,513,627,343,104/961,463,249.34
  6. Step 6: Final answer
    x = 719,573,539.71

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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.