Home / 420,739,041.60-580,677,556.44-242,119,259.04

Finding the Fourth Proportional to 420,739,041.60, 580,677,556.44 and 242,119,259.04

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Solution

The fourth proportional to 420,739,041.60, 580,677,556.44 and 242,119,259.04 is: 334,157,769.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,739,041.60 : 580,677,556.44 = 242,119,259.04 : x
  2. Step 2: Convert to fraction form
    420,739,041.60/580,677,556.44 = 242,119,259.04/x
  3. Step 3: Cross multiply
    420,739,041.60x = 580,677,556.44 × 242,119,259.04
  4. Step 4: Simplify right side
    420,739,041.60x = 140,593,219,706,410,592
  5. Step 5: Solve for x
    x = 140,593,219,706,410,592/420,739,041.60
  6. Step 6: Final answer
    x = 334,157,769.56

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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.