Home / 1,223,633,425.92-1,835,808,301.77-394,570,394.79

Finding the Fourth Proportional to 1,223,633,425.92, 1,835,808,301.77 and 394,570,394.79

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Solution

The fourth proportional to 1,223,633,425.92, 1,835,808,301.77 and 394,570,394.79 is: 591,971,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,633,425.92 : 1,835,808,301.77 = 394,570,394.79 : x
  2. Step 2: Convert to fraction form
    1,223,633,425.92/1,835,808,301.77 = 394,570,394.79/x
  3. Step 3: Cross multiply
    1,223,633,425.92x = 1,835,808,301.77 × 394,570,394.79
  4. Step 4: Simplify right side
    1,223,633,425.92x = 724,355,606,388,148,352
  5. Step 5: Solve for x
    x = 724,355,606,388,148,352/1,223,633,425.92
  6. Step 6: Final answer
    x = 591,971,084.68

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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.