Home / 1,538,633,950.20-2,309,084,666.10-619,170,161.40

Finding the Fourth Proportional to 1,538,633,950.20, 2,309,084,666.10 and 619,170,161.40

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Solution

The fourth proportional to 1,538,633,950.20, 2,309,084,666.10 and 619,170,161.40 is: 929,211,476.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,633,950.20 : 2,309,084,666.10 = 619,170,161.40 : x
  2. Step 2: Convert to fraction form
    1,538,633,950.20/2,309,084,666.10 = 619,170,161.40/x
  3. Step 3: Cross multiply
    1,538,633,950.20x = 2,309,084,666.10 × 619,170,161.40
  4. Step 4: Simplify right side
    1,538,633,950.20x = 1,429,716,325,395,401,984
  5. Step 5: Solve for x
    x = 1,429,716,325,395,401,984/1,538,633,950.20
  6. Step 6: Final answer
    x = 929,211,476.98

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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.