Home / 1,635,503,003.40-2,453,254,505.10-990,530,459.40

Finding the Fourth Proportional to 1,635,503,003.40, 2,453,254,505.10 and 990,530,459.40

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Solution

The fourth proportional to 1,635,503,003.40, 2,453,254,505.10 and 990,530,459.40 is: 1,485,795,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,503,003.40 : 2,453,254,505.10 = 990,530,459.40 : x
  2. Step 2: Convert to fraction form
    1,635,503,003.40/2,453,254,505.10 = 990,530,459.40/x
  3. Step 3: Cross multiply
    1,635,503,003.40x = 2,453,254,505.10 × 990,530,459.40
  4. Step 4: Simplify right side
    1,635,503,003.40x = 2,430,023,311,961,822,720
  5. Step 5: Solve for x
    x = 2,430,023,311,961,822,720/1,635,503,003.40
  6. Step 6: Final answer
    x = 1,485,795,689.10

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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.