Home / 1,223,436,567,824.10-1,688,344,137,974.70-667,243,039,415

Finding the Fourth Proportional to 1,223,436,567,824.10, 1,688,344,137,974.70 and 667,243,039,415

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Solution

The fourth proportional to 1,223,436,567,824.10, 1,688,344,137,974.70 and 667,243,039,415 is: 920,796,307,571.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,436,567,824.10 : 1,688,344,137,974.70 = 667,243,039,415 : x
  2. Step 2: Convert to fraction form
    1,223,436,567,824.10/1,688,344,137,974.70 = 667,243,039,415/x
  3. Step 3: Cross multiply
    1,223,436,567,824.10x = 1,688,344,137,974.70 × 667,243,039,415
  4. Step 4: Simplify right side
    1,223,436,567,824.10x = 1,126,535,874,200,736,916,045,824
  5. Step 5: Solve for x
    x = 1,126,535,874,200,736,916,045,824/1,223,436,567,824.10
  6. Step 6: Final answer
    x = 920,796,307,571.79

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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.