Home / 3,189,013,421.40-4,783,520,132.10-2,984,940,077.40

Finding the Fourth Proportional to 3,189,013,421.40, 4,783,520,132.10 and 2,984,940,077.40

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Solution

The fourth proportional to 3,189,013,421.40, 4,783,520,132.10 and 2,984,940,077.40 is: 4,477,410,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,013,421.40 : 4,783,520,132.10 = 2,984,940,077.40 : x
  2. Step 2: Convert to fraction form
    3,189,013,421.40/4,783,520,132.10 = 2,984,940,077.40/x
  3. Step 3: Cross multiply
    3,189,013,421.40x = 4,783,520,132.10 × 2,984,940,077.40
  4. Step 4: Simplify right side
    3,189,013,421.40x = 14,278,520,953,355,034,624
  5. Step 5: Solve for x
    x = 14,278,520,953,355,034,624/3,189,013,421.40
  6. Step 6: Final answer
    x = 4,477,410,116.10

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Double scale
Find fourth proportional to 3,189,013,422.40, 4,783,520,133.60 and 2,984,940,078.40
Similar ratio
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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.