Home / 10,206,221,450.40-15,309,332,175.60-7,416,793,929.60

Finding the Fourth Proportional to 10,206,221,450.40, 15,309,332,175.60 and 7,416,793,929.60

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Solution

The fourth proportional to 10,206,221,450.40, 15,309,332,175.60 and 7,416,793,929.60 is: 11,125,190,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206,221,450.40 : 15,309,332,175.60 = 7,416,793,929.60 : x
  2. Step 2: Convert to fraction form
    10,206,221,450.40/15,309,332,175.60 = 7,416,793,929.60/x
  3. Step 3: Cross multiply
    10,206,221,450.40x = 15,309,332,175.60 × 7,416,793,929.60
  4. Step 4: Simplify right side
    10,206,221,450.40x = 113,546,161,946,220,052,480
  5. Step 5: Solve for x
    x = 113,546,161,946,220,052,480/10,206,221,450.40
  6. Step 6: Final answer
    x = 11,125,190,894.40

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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.