Home / 853,416,004.80-1,280,124,007.20-590,388,139.20

Finding the Fourth Proportional to 853,416,004.80, 1,280,124,007.20 and 590,388,139.20

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Solution

The fourth proportional to 853,416,004.80, 1,280,124,007.20 and 590,388,139.20 is: 885,582,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,416,004.80 : 1,280,124,007.20 = 590,388,139.20 : x
  2. Step 2: Convert to fraction form
    853,416,004.80/1,280,124,007.20 = 590,388,139.20/x
  3. Step 3: Cross multiply
    853,416,004.80x = 1,280,124,007.20 × 590,388,139.20
  4. Step 4: Simplify right side
    853,416,004.80x = 755,770,030,556,055,552
  5. Step 5: Solve for x
    x = 755,770,030,556,055,552/853,416,004.80
  6. Step 6: Final answer
    x = 885,582,208.80

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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.