Home / 1,584,144,465.40-2,376,110,409.90-419,587,960.60

Finding the Fourth Proportional to 1,584,144,465.40, 2,376,110,409.90 and 419,587,960.60

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Solution

The fourth proportional to 1,584,144,465.40, 2,376,110,409.90 and 419,587,960.60 is: 629,353,788.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,144,465.40 : 2,376,110,409.90 = 419,587,960.60 : x
  2. Step 2: Convert to fraction form
    1,584,144,465.40/2,376,110,409.90 = 419,587,960.60/x
  3. Step 3: Cross multiply
    1,584,144,465.40x = 2,376,110,409.90 × 419,587,960.60
  4. Step 4: Simplify right side
    1,584,144,465.40x = 996,987,321,050,371,200
  5. Step 5: Solve for x
    x = 996,987,321,050,371,200/1,584,144,465.40
  6. Step 6: Final answer
    x = 629,353,788.64

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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.