Home / 1,635,503,008.40-2,453,254,512.60-990,530,464.40

Finding the Fourth Proportional to 1,635,503,008.40, 2,453,254,512.60 and 990,530,464.40

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Solution

The fourth proportional to 1,635,503,008.40, 2,453,254,512.60 and 990,530,464.40 is: 1,485,795,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,503,008.40 : 2,453,254,512.60 = 990,530,464.40 : x
  2. Step 2: Convert to fraction form
    1,635,503,008.40/2,453,254,512.60 = 990,530,464.40/x
  3. Step 3: Cross multiply
    1,635,503,008.40x = 2,453,254,512.60 × 990,530,464.40
  4. Step 4: Simplify right side
    1,635,503,008.40x = 2,430,023,331,657,073,664
  5. Step 5: Solve for x
    x = 2,430,023,331,657,073,664/1,635,503,008.40
  6. Step 6: Final answer
    x = 1,485,795,696.60

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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.