Home / 1,160,081,426.43-1,740,105,101.70-286,682,771.25

Finding the Fourth Proportional to 1,160,081,426.43, 1,740,105,101.70 and 286,682,771.25

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Solution

The fourth proportional to 1,160,081,426.43, 1,740,105,101.70 and 286,682,771.25 is: 430,019,946.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,081,426.43 : 1,740,105,101.70 = 286,682,771.25 : x
  2. Step 2: Convert to fraction form
    1,160,081,426.43/1,740,105,101.70 = 286,682,771.25/x
  3. Step 3: Cross multiply
    1,160,081,426.43x = 1,740,105,101.70 × 286,682,771.25
  4. Step 4: Simplify right side
    1,160,081,426.43x = 498,858,152,821,619,072
  5. Step 5: Solve for x
    x = 498,858,152,821,619,072/1,160,081,426.43
  6. Step 6: Final answer
    x = 430,019,946.41

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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.