Home / 3,129,623,999.20-4,694,435,998.80-2,893,134,066.40

Finding the Fourth Proportional to 3,129,623,999.20, 4,694,435,998.80 and 2,893,134,066.40

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Solution

The fourth proportional to 3,129,623,999.20, 4,694,435,998.80 and 2,893,134,066.40 is: 4,339,701,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,623,999.20 : 4,694,435,998.80 = 2,893,134,066.40 : x
  2. Step 2: Convert to fraction form
    3,129,623,999.20/4,694,435,998.80 = 2,893,134,066.40/x
  3. Step 3: Cross multiply
    3,129,623,999.20x = 4,694,435,998.80 × 2,893,134,066.40
  4. Step 4: Simplify right side
    3,129,623,999.20x = 13,581,632,710,662,791,168
  5. Step 5: Solve for x
    x = 13,581,632,710,662,791,168/3,129,623,999.20
  6. Step 6: Final answer
    x = 4,339,701,099.60

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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.