Home / 13,454,784,000.40-20,182,176,000.60-7,178,572,078.60

Finding the Fourth Proportional to 13,454,784,000.40, 20,182,176,000.60 and 7,178,572,078.60

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Solution

The fourth proportional to 13,454,784,000.40, 20,182,176,000.60 and 7,178,572,078.60 is: 10,767,858,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454,784,000.40 : 20,182,176,000.60 = 7,178,572,078.60 : x
  2. Step 2: Convert to fraction form
    13,454,784,000.40/20,182,176,000.60 = 7,178,572,078.60/x
  3. Step 3: Cross multiply
    13,454,784,000.40x = 20,182,176,000.60 × 7,178,572,078.60
  4. Step 4: Simplify right side
    13,454,784,000.40x = 144,879,205,123,298,181,120
  5. Step 5: Solve for x
    x = 144,879,205,123,298,181,120/13,454,784,000.40
  6. Step 6: Final answer
    x = 10,767,858,117.90

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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.