Home / 7,020,648,288-10,530,824,890.68-1,708,790,080.32

Finding the Fourth Proportional to 7,020,648,288, 10,530,824,890.68 and 1,708,790,080.32

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Solution

The fourth proportional to 7,020,648,288, 10,530,824,890.68 and 1,708,790,080.32 is: 2,563,149,209.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,648,288 : 10,530,824,890.68 = 1,708,790,080.32 : x
  2. Step 2: Convert to fraction form
    7,020,648,288/10,530,824,890.68 = 1,708,790,080.32/x
  3. Step 3: Cross multiply
    7,020,648,288x = 10,530,824,890.68 × 1,708,790,080.32
  4. Step 4: Simplify right side
    7,020,648,288x = 17,994,969,110,780,932,096
  5. Step 5: Solve for x
    x = 17,994,969,110,780,932,096/7,020,648,288
  6. Step 6: Final answer
    x = 2,563,149,209.67

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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.