Home / 5,428,963,914.40-8,143,445,871.60-2,673,973,770.40

Finding the Fourth Proportional to 5,428,963,914.40, 8,143,445,871.60 and 2,673,973,770.40

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Solution

The fourth proportional to 5,428,963,914.40, 8,143,445,871.60 and 2,673,973,770.40 is: 4,010,960,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,963,914.40 : 8,143,445,871.60 = 2,673,973,770.40 : x
  2. Step 2: Convert to fraction form
    5,428,963,914.40/8,143,445,871.60 = 2,673,973,770.40/x
  3. Step 3: Cross multiply
    5,428,963,914.40x = 8,143,445,871.60 × 2,673,973,770.40
  4. Step 4: Simplify right side
    5,428,963,914.40x = 21,775,360,661,330,567,168
  5. Step 5: Solve for x
    x = 21,775,360,661,330,567,168/5,428,963,914.40
  6. Step 6: Final answer
    x = 4,010,960,655.60

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Double scale
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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.