Home / 1,123,775,355,909.20-1,550,811,138,893.90-609,941,256,313.54

Finding the Fourth Proportional to 1,123,775,355,909.20, 1,550,811,138,893.90 and 609,941,256,313.54

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Solution

The fourth proportional to 1,123,775,355,909.20, 1,550,811,138,893.90 and 609,941,256,313.54 is: 841,719,556,660.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,775,355,909.20 : 1,550,811,138,893.90 = 609,941,256,313.54 : x
  2. Step 2: Convert to fraction form
    1,123,775,355,909.20/1,550,811,138,893.90 = 609,941,256,313.54/x
  3. Step 3: Cross multiply
    1,123,775,355,909.20x = 1,550,811,138,893.90 × 609,941,256,313.54
  4. Step 4: Simplify right side
    1,123,775,355,909.20x = 945,903,694,361,977,151,291,392
  5. Step 5: Solve for x
    x = 945,903,694,361,977,151,291,392/1,123,775,355,909.20
  6. Step 6: Final answer
    x = 841,719,556,660.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.