Home / 2,126,253,419.60-3,189,380,129.40-977,396,075.60

Finding the Fourth Proportional to 2,126,253,419.60, 3,189,380,129.40 and 977,396,075.60

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Solution

The fourth proportional to 2,126,253,419.60, 3,189,380,129.40 and 977,396,075.60 is: 1,466,094,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,253,419.60 : 3,189,380,129.40 = 977,396,075.60 : x
  2. Step 2: Convert to fraction form
    2,126,253,419.60/3,189,380,129.40 = 977,396,075.60/x
  3. Step 3: Cross multiply
    2,126,253,419.60x = 3,189,380,129.40 × 977,396,075.60
  4. Step 4: Simplify right side
    2,126,253,419.60x = 3,117,287,622,072,180,224
  5. Step 5: Solve for x
    x = 3,117,287,622,072,180,224/2,126,253,419.60
  6. Step 6: Final answer
    x = 1,466,094,113.40

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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.