Home / 1,983,123,024.40-2,974,684,536.60-690,658,512.40

Finding the Fourth Proportional to 1,983,123,024.40, 2,974,684,536.60 and 690,658,512.40

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Solution

The fourth proportional to 1,983,123,024.40, 2,974,684,536.60 and 690,658,512.40 is: 1,035,987,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,123,024.40 : 2,974,684,536.60 = 690,658,512.40 : x
  2. Step 2: Convert to fraction form
    1,983,123,024.40/2,974,684,536.60 = 690,658,512.40/x
  3. Step 3: Cross multiply
    1,983,123,024.40x = 2,974,684,536.60 × 690,658,512.40
  4. Step 4: Simplify right side
    1,983,123,024.40x = 2,054,491,196,907,439,104
  5. Step 5: Solve for x
    x = 2,054,491,196,907,439,104/1,983,123,024.40
  6. Step 6: Final answer
    x = 1,035,987,768.60

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1.5x scale

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.