Home / 681,312,021.60-1,021,968,032.40-244,821,813.60

Finding the Fourth Proportional to 681,312,021.60, 1,021,968,032.40 and 244,821,813.60

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Solution

The fourth proportional to 681,312,021.60, 1,021,968,032.40 and 244,821,813.60 is: 367,232,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,312,021.60 : 1,021,968,032.40 = 244,821,813.60 : x
  2. Step 2: Convert to fraction form
    681,312,021.60/1,021,968,032.40 = 244,821,813.60/x
  3. Step 3: Cross multiply
    681,312,021.60x = 1,021,968,032.40 × 244,821,813.60
  4. Step 4: Simplify right side
    681,312,021.60x = 250,200,067,133,391,552
  5. Step 5: Solve for x
    x = 250,200,067,133,391,552/681,312,021.60
  6. Step 6: Final answer
    x = 367,232,720.40

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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.