Home / 20,178,355,521.40-30,267,533,282.10-10,764,037,638.70

Finding the Fourth Proportional to 20,178,355,521.40, 30,267,533,282.10 and 10,764,037,638.70

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Solution

The fourth proportional to 20,178,355,521.40, 30,267,533,282.10 and 10,764,037,638.70 is: 16,146,056,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,355,521.40 : 30,267,533,282.10 = 10,764,037,638.70 : x
  2. Step 2: Convert to fraction form
    20,178,355,521.40/30,267,533,282.10 = 10,764,037,638.70/x
  3. Step 3: Cross multiply
    20,178,355,521.40x = 30,267,533,282.10 × 10,764,037,638.70
  4. Step 4: Simplify right side
    20,178,355,521.40x = 325,800,867,479,129,358,336
  5. Step 5: Solve for x
    x = 325,800,867,479,129,358,336/20,178,355,521.40
  6. Step 6: Final answer
    x = 16,146,056,458.05

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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.