Home / 1,212,477,618.60-1,818,716,427.90-523,163,212.20

Finding the Fourth Proportional to 1,212,477,618.60, 1,818,716,427.90 and 523,163,212.20

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Solution

The fourth proportional to 1,212,477,618.60, 1,818,716,427.90 and 523,163,212.20 is: 784,744,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,477,618.60 : 1,818,716,427.90 = 523,163,212.20 : x
  2. Step 2: Convert to fraction form
    1,212,477,618.60/1,818,716,427.90 = 523,163,212.20/x
  3. Step 3: Cross multiply
    1,212,477,618.60x = 1,818,716,427.90 × 523,163,212.20
  4. Step 4: Simplify right side
    1,212,477,618.60x = 951,485,528,501,073,792
  5. Step 5: Solve for x
    x = 951,485,528,501,073,792/1,212,477,618.60
  6. Step 6: Final answer
    x = 784,744,818.30

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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.