Home / 479,682,003.20-719,523,004.80-402,197,905.40

Finding the Fourth Proportional to 479,682,003.20, 719,523,004.80 and 402,197,905.40

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Solution

The fourth proportional to 479,682,003.20, 719,523,004.80 and 402,197,905.40 is: 603,296,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,682,003.20 : 719,523,004.80 = 402,197,905.40 : x
  2. Step 2: Convert to fraction form
    479,682,003.20/719,523,004.80 = 402,197,905.40/x
  3. Step 3: Cross multiply
    479,682,003.20x = 719,523,004.80 × 402,197,905.40
  4. Step 4: Simplify right side
    479,682,003.20x = 289,390,645,417,674,112
  5. Step 5: Solve for x
    x = 289,390,645,417,674,112/479,682,003.20
  6. Step 6: Final answer
    x = 603,296,858.10

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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.