Home / 20,102,256,383.90-30,153,384,575.85-18,360,830,515.10

Finding the Fourth Proportional to 20,102,256,383.90, 30,153,384,575.85 and 18,360,830,515.10

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Solution

The fourth proportional to 20,102,256,383.90, 30,153,384,575.85 and 18,360,830,515.10 is: 27,541,245,772.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102,256,383.90 : 30,153,384,575.85 = 18,360,830,515.10 : x
  2. Step 2: Convert to fraction form
    20,102,256,383.90/30,153,384,575.85 = 18,360,830,515.10/x
  3. Step 3: Cross multiply
    20,102,256,383.90x = 30,153,384,575.85 × 18,360,830,515.10
  4. Step 4: Simplify right side
    20,102,256,383.90x = 553,641,183,653,812,305,920
  5. Step 5: Solve for x
    x = 553,641,183,653,812,305,920/20,102,256,383.90
  6. Step 6: Final answer
    x = 27,541,245,772.65

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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.