Home / 1,120,236,815.40-1,680,355,223.10-1,120,236,815.40

Finding the Fourth Proportional to 1,120,236,815.40, 1,680,355,223.10 and 1,120,236,815.40

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Solution

The fourth proportional to 1,120,236,815.40, 1,680,355,223.10 and 1,120,236,815.40 is: 1,680,355,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,236,815.40 : 1,680,355,223.10 = 1,120,236,815.40 : x
  2. Step 2: Convert to fraction form
    1,120,236,815.40/1,680,355,223.10 = 1,120,236,815.40/x
  3. Step 3: Cross multiply
    1,120,236,815.40x = 1,680,355,223.10 × 1,120,236,815.40
  4. Step 4: Simplify right side
    1,120,236,815.40x = 1,882,395,783,866,300,672
  5. Step 5: Solve for x
    x = 1,882,395,783,866,300,672/1,120,236,815.40
  6. Step 6: Final answer
    x = 1,680,355,223.10

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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.