Home / 1,225,065,821,400.20-1,690,739,079,452.40-697,243,551,633.46

Finding the Fourth Proportional to 1,225,065,821,400.20, 1,690,739,079,452.40 and 697,243,551,633.46

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Solution

The fourth proportional to 1,225,065,821,400.20, 1,690,739,079,452.40 and 697,243,551,633.46 is: 962,280,475,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,065,821,400.20 : 1,690,739,079,452.40 = 697,243,551,633.46 : x
  2. Step 2: Convert to fraction form
    1,225,065,821,400.20/1,690,739,079,452.40 = 697,243,551,633.46/x
  3. Step 3: Cross multiply
    1,225,065,821,400.20x = 1,690,739,079,452.40 × 697,243,551,633.46
  4. Step 4: Simplify right side
    1,225,065,821,400.20x = 1,178,856,920,642,878,019,993,600
  5. Step 5: Solve for x
    x = 1,178,856,920,642,878,019,993,600/1,225,065,821,400.20
  6. Step 6: Final answer
    x = 962,280,475,097.65

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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.