Home / 20,358,638,481.60-30,537,957,722.40-5,636,659,899.60

Finding the Fourth Proportional to 20,358,638,481.60, 30,537,957,722.40 and 5,636,659,899.60

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Solution

The fourth proportional to 20,358,638,481.60, 30,537,957,722.40 and 5,636,659,899.60 is: 8,454,989,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,358,638,481.60 : 30,537,957,722.40 = 5,636,659,899.60 : x
  2. Step 2: Convert to fraction form
    20,358,638,481.60/30,537,957,722.40 = 5,636,659,899.60/x
  3. Step 3: Cross multiply
    20,358,638,481.60x = 30,537,957,722.40 × 5,636,659,899.60
  4. Step 4: Simplify right side
    20,358,638,481.60x = 172,132,081,709,532,250,112
  5. Step 5: Solve for x
    x = 172,132,081,709,532,250,112/20,358,638,481.60
  6. Step 6: Final answer
    x = 8,454,989,849.40

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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.