Home / 1,391,015,698.68-1,919,647,700.10-764,506,333.56

Finding the Fourth Proportional to 1,391,015,698.68, 1,919,647,700.10 and 764,506,333.56

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Solution

The fourth proportional to 1,391,015,698.68, 1,919,647,700.10 and 764,506,333.56 is: 1,055,044,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,015,698.68 : 1,919,647,700.10 = 764,506,333.56 : x
  2. Step 2: Convert to fraction form
    1,391,015,698.68/1,919,647,700.10 = 764,506,333.56/x
  3. Step 3: Cross multiply
    1,391,015,698.68x = 1,919,647,700.10 × 764,506,333.56
  4. Step 4: Simplify right side
    1,391,015,698.68x = 1,467,582,824,930,337,280
  5. Step 5: Solve for x
    x = 1,467,582,824,930,337,280/1,391,015,698.68
  6. Step 6: Final answer
    x = 1,055,044,041.79

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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.