Home / 8,148,765,145.80-12,223,147,718.70-5,514,305,820.60

Finding the Fourth Proportional to 8,148,765,145.80, 12,223,147,718.70 and 5,514,305,820.60

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Solution

The fourth proportional to 8,148,765,145.80, 12,223,147,718.70 and 5,514,305,820.60 is: 8,271,458,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148,765,145.80 : 12,223,147,718.70 = 5,514,305,820.60 : x
  2. Step 2: Convert to fraction form
    8,148,765,145.80/12,223,147,718.70 = 5,514,305,820.60/x
  3. Step 3: Cross multiply
    8,148,765,145.80x = 12,223,147,718.70 × 5,514,305,820.60
  4. Step 4: Simplify right side
    8,148,765,145.80x = 67,402,174,611,281,027,072
  5. Step 5: Solve for x
    x = 67,402,174,611,281,027,072/8,148,765,145.80
  6. Step 6: Final answer
    x = 8,271,458,730.90

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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.