Home / 19,001,697,435.40-28,516,151,042.70-7,968,131,969.80

Finding the Fourth Proportional to 19,001,697,435.40, 28,516,151,042.70 and 7,968,131,969.80

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Solution

The fourth proportional to 19,001,697,435.40, 28,516,151,042.70 and 7,968,131,969.80 is: 11,957,903,000.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001,697,435.40 : 28,516,151,042.70 = 7,968,131,969.80 : x
  2. Step 2: Convert to fraction form
    19,001,697,435.40/28,516,151,042.70 = 7,968,131,969.80/x
  3. Step 3: Cross multiply
    19,001,697,435.40x = 28,516,151,042.70 × 7,968,131,969.80
  4. Step 4: Simplify right side
    19,001,697,435.40x = 227,220,454,778,983,481,344
  5. Step 5: Solve for x
    x = 227,220,454,778,983,481,344/19,001,697,435.40
  6. Step 6: Final answer
    x = 11,957,903,000.59

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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.