Home / 1,908,170,074.72-2,862,318,885-527,868,994.24

Finding the Fourth Proportional to 1,908,170,074.72, 2,862,318,885 and 527,868,994.24

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Solution

The fourth proportional to 1,908,170,074.72, 2,862,318,885 and 527,868,994.24 is: 791,821,133.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,170,074.72 : 2,862,318,885 = 527,868,994.24 : x
  2. Step 2: Convert to fraction form
    1,908,170,074.72/2,862,318,885 = 527,868,994.24/x
  3. Step 3: Cross multiply
    1,908,170,074.72x = 2,862,318,885 × 527,868,994.24
  4. Step 4: Simplify right side
    1,908,170,074.72x = 1,510,929,391,019,108,352
  5. Step 5: Solve for x
    x = 1,510,929,391,019,108,352/1,908,170,074.72
  6. Step 6: Final answer
    x = 791,821,133.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.