Home / 1,689,630,157.80-2,534,445,236.70-1,434,538,477.80

Finding the Fourth Proportional to 1,689,630,157.80, 2,534,445,236.70 and 1,434,538,477.80

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Solution

The fourth proportional to 1,689,630,157.80, 2,534,445,236.70 and 1,434,538,477.80 is: 2,151,807,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,630,157.80 : 2,534,445,236.70 = 1,434,538,477.80 : x
  2. Step 2: Convert to fraction form
    1,689,630,157.80/2,534,445,236.70 = 1,434,538,477.80/x
  3. Step 3: Cross multiply
    1,689,630,157.80x = 2,534,445,236.70 × 1,434,538,477.80
  4. Step 4: Simplify right side
    1,689,630,157.80x = 3,635,759,211,923,078,144
  5. Step 5: Solve for x
    x = 3,635,759,211,923,078,144/1,689,630,157.80
  6. Step 6: Final answer
    x = 2,151,807,716.70

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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.