Home / 1,367,501,428.40-2,051,252,142.60-398,184,666.80

Finding the Fourth Proportional to 1,367,501,428.40, 2,051,252,142.60 and 398,184,666.80

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Solution

The fourth proportional to 1,367,501,428.40, 2,051,252,142.60 and 398,184,666.80 is: 597,277,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,501,428.40 : 2,051,252,142.60 = 398,184,666.80 : x
  2. Step 2: Convert to fraction form
    1,367,501,428.40/2,051,252,142.60 = 398,184,666.80/x
  3. Step 3: Cross multiply
    1,367,501,428.40x = 2,051,252,142.60 × 398,184,666.80
  4. Step 4: Simplify right side
    1,367,501,428.40x = 816,777,150,923,967,104
  5. Step 5: Solve for x
    x = 816,777,150,923,967,104/1,367,501,428.40
  6. Step 6: Final answer
    x = 597,277,000.20

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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.