Home / 1,679,616,002.40-2,519,424,003.60-853,118,959.20

Finding the Fourth Proportional to 1,679,616,002.40, 2,519,424,003.60 and 853,118,959.20

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Solution

The fourth proportional to 1,679,616,002.40, 2,519,424,003.60 and 853,118,959.20 is: 1,279,678,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,616,002.40 : 2,519,424,003.60 = 853,118,959.20 : x
  2. Step 2: Convert to fraction form
    1,679,616,002.40/2,519,424,003.60 = 853,118,959.20/x
  3. Step 3: Cross multiply
    1,679,616,002.40x = 2,519,424,003.60 × 853,118,959.20
  4. Step 4: Simplify right side
    1,679,616,002.40x = 2,149,368,383,734,729,216
  5. Step 5: Solve for x
    x = 2,149,368,383,734,729,216/1,679,616,002.40
  6. Step 6: Final answer
    x = 1,279,678,438.80

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1.5x scale

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.