Home / 3,841,118,970.72-5,300,749,750.32-2,080,986,378.72

Finding the Fourth Proportional to 3,841,118,970.72, 5,300,749,750.32 and 2,080,986,378.72

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Solution

The fourth proportional to 3,841,118,970.72, 5,300,749,750.32 and 2,080,986,378.72 is: 2,871,764,220.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841,118,970.72 : 5,300,749,750.32 = 2,080,986,378.72 : x
  2. Step 2: Convert to fraction form
    3,841,118,970.72/5,300,749,750.32 = 2,080,986,378.72/x
  3. Step 3: Cross multiply
    3,841,118,970.72x = 5,300,749,750.32 × 2,080,986,378.72
  4. Step 4: Simplify right side
    3,841,118,970.72x = 11,030,788,027,419,361,280
  5. Step 5: Solve for x
    x = 11,030,788,027,419,361,280/3,841,118,970.72
  6. Step 6: Final answer
    x = 2,871,764,220.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.