Home / 1,048,142,719.05-1,572,214,078.58-321,036,952.65

Finding the Fourth Proportional to 1,048,142,719.05, 1,572,214,078.58 and 321,036,952.65

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Solution

The fourth proportional to 1,048,142,719.05, 1,572,214,078.58 and 321,036,952.65 is: 481,555,428.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,142,719.05 : 1,572,214,078.58 = 321,036,952.65 : x
  2. Step 2: Convert to fraction form
    1,048,142,719.05/1,572,214,078.58 = 321,036,952.65/x
  3. Step 3: Cross multiply
    1,048,142,719.05x = 1,572,214,078.58 × 321,036,952.65
  4. Step 4: Simplify right side
    1,048,142,719.05x = 504,738,816,699,145,664
  5. Step 5: Solve for x
    x = 504,738,816,699,145,664/1,048,142,719.05
  6. Step 6: Final answer
    x = 481,555,428.98

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Double scale
Find fourth proportional to 1,048,142,720.05, 1,572,214,080.08 and 321,036,953.65
Similar ratio
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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.