Home / 3,189,379,340.40-4,784,069,010.60-860,311,820.40

Finding the Fourth Proportional to 3,189,379,340.40, 4,784,069,010.60 and 860,311,820.40

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Solution

The fourth proportional to 3,189,379,340.40, 4,784,069,010.60 and 860,311,820.40 is: 1,290,467,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,379,340.40 : 4,784,069,010.60 = 860,311,820.40 : x
  2. Step 2: Convert to fraction form
    3,189,379,340.40/4,784,069,010.60 = 860,311,820.40/x
  3. Step 3: Cross multiply
    3,189,379,340.40x = 4,784,069,010.60 × 860,311,820.40
  4. Step 4: Simplify right side
    3,189,379,340.40x = 4,115,791,119,428,513,280
  5. Step 5: Solve for x
    x = 4,115,791,119,428,513,280/3,189,379,340.40
  6. Step 6: Final answer
    x = 1,290,467,730.60

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Double scale
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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.