Home / 837,886,868.43-1,256,865,676.61-247,678,458.35

Finding the Fourth Proportional to 837,886,868.43, 1,256,865,676.61 and 247,678,458.35

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Solution

The fourth proportional to 837,886,868.43, 1,256,865,676.61 and 247,678,458.35 is: 371,528,144.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,886,868.43 : 1,256,865,676.61 = 247,678,458.35 : x
  2. Step 2: Convert to fraction form
    837,886,868.43/1,256,865,676.61 = 247,678,458.35/x
  3. Step 3: Cross multiply
    837,886,868.43x = 1,256,865,676.61 × 247,678,458.35
  4. Step 4: Simplify right side
    837,886,868.43x = 311,298,553,128,271,744
  5. Step 5: Solve for x
    x = 311,298,553,128,271,744/837,886,868.43
  6. Step 6: Final answer
    x = 371,528,144.02

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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.