Home / 6,990,698,378.87-9,649,462,790.90-5,564,385,800.27

Finding the Fourth Proportional to 6,990,698,378.87, 9,649,462,790.90 and 5,564,385,800.27

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Solution

The fourth proportional to 6,990,698,378.87, 9,649,462,790.90 and 5,564,385,800.27 is: 7,680,682,361.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,698,378.87 : 9,649,462,790.90 = 5,564,385,800.27 : x
  2. Step 2: Convert to fraction form
    6,990,698,378.87/9,649,462,790.90 = 5,564,385,800.27/x
  3. Step 3: Cross multiply
    6,990,698,378.87x = 9,649,462,790.90 × 5,564,385,800.27
  4. Step 4: Simplify right side
    6,990,698,378.87x = 53,693,333,733,903,769,600
  5. Step 5: Solve for x
    x = 53,693,333,733,903,769,600/6,990,698,378.87
  6. Step 6: Final answer
    x = 7,680,682,361.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.