Home / 869,162,892.30-1,303,744,338.45-665,089,548.30

Finding the Fourth Proportional to 869,162,892.30, 1,303,744,338.45 and 665,089,548.30

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Solution

The fourth proportional to 869,162,892.30, 1,303,744,338.45 and 665,089,548.30 is: 997,634,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,162,892.30 : 1,303,744,338.45 = 665,089,548.30 : x
  2. Step 2: Convert to fraction form
    869,162,892.30/1,303,744,338.45 = 665,089,548.30/x
  3. Step 3: Cross multiply
    869,162,892.30x = 1,303,744,338.45 × 665,089,548.30
  4. Step 4: Simplify right side
    869,162,892.30x = 867,106,733,158,392,832
  5. Step 5: Solve for x
    x = 867,106,733,158,392,832/869,162,892.30
  6. Step 6: Final answer
    x = 997,634,322.45

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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.