Home / 1,391,857,226.88-1,918,979,931.24-1,140,033,916.32

Finding the Fourth Proportional to 1,391,857,226.88, 1,918,979,931.24 and 1,140,033,916.32

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Solution

The fourth proportional to 1,391,857,226.88, 1,918,979,931.24 and 1,140,033,916.32 is: 1,571,786,361.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,857,226.88 : 1,918,979,931.24 = 1,140,033,916.32 : x
  2. Step 2: Convert to fraction form
    1,391,857,226.88/1,918,979,931.24 = 1,140,033,916.32/x
  3. Step 3: Cross multiply
    1,391,857,226.88x = 1,918,979,931.24 × 1,140,033,916.32
  4. Step 4: Simplify right side
    1,391,857,226.88x = 2,187,702,206,351,021,312
  5. Step 5: Solve for x
    x = 2,187,702,206,351,021,312/1,391,857,226.88
  6. Step 6: Final answer
    x = 1,571,786,361.49

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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.