Home / 1,225,065,821,399.20-1,690,739,079,451-697,243,551,632.46

Finding the Fourth Proportional to 1,225,065,821,399.20, 1,690,739,079,451 and 697,243,551,632.46

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Solution

The fourth proportional to 1,225,065,821,399.20, 1,690,739,079,451 and 697,243,551,632.46 is: 962,280,475,096.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,065,821,399.20 : 1,690,739,079,451 = 697,243,551,632.46 : x
  2. Step 2: Convert to fraction form
    1,225,065,821,399.20/1,690,739,079,451 = 697,243,551,632.46/x
  3. Step 3: Cross multiply
    1,225,065,821,399.20x = 1,690,739,079,451 × 697,243,551,632.46
  4. Step 4: Simplify right side
    1,225,065,821,399.20x = 1,178,856,920,640,211,113,738,240
  5. Step 5: Solve for x
    x = 1,178,856,920,640,211,113,738,240/1,225,065,821,399.20
  6. Step 6: Final answer
    x = 962,280,475,096.26

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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.