Home / 454,208,014.40-681,312,021.60-163,214,542.40

Finding the Fourth Proportional to 454,208,014.40, 681,312,021.60 and 163,214,542.40

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Solution

The fourth proportional to 454,208,014.40, 681,312,021.60 and 163,214,542.40 is: 244,821,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,208,014.40 : 681,312,021.60 = 163,214,542.40 : x
  2. Step 2: Convert to fraction form
    454,208,014.40/681,312,021.60 = 163,214,542.40/x
  3. Step 3: Cross multiply
    454,208,014.40x = 681,312,021.60 × 163,214,542.40
  4. Step 4: Simplify right side
    454,208,014.40x = 111,200,029,837,062,928
  5. Step 5: Solve for x
    x = 111,200,029,837,062,928/454,208,014.40
  6. Step 6: Final answer
    x = 244,821,813.60

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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.