Home / 1,021,387,165.24-1,532,295,948.66-331,240,605.34

Finding the Fourth Proportional to 1,021,387,165.24, 1,532,295,948.66 and 331,240,605.34

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Solution

The fourth proportional to 1,021,387,165.24, 1,532,295,948.66 and 331,240,605.34 is: 496,930,698.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,387,165.24 : 1,532,295,948.66 = 331,240,605.34 : x
  2. Step 2: Convert to fraction form
    1,021,387,165.24/1,532,295,948.66 = 331,240,605.34/x
  3. Step 3: Cross multiply
    1,021,387,165.24x = 1,532,295,948.66 × 331,240,605.34
  4. Step 4: Simplify right side
    1,021,387,165.24x = 507,558,637,594,167,936
  5. Step 5: Solve for x
    x = 507,558,637,594,167,936/1,021,387,165.24
  6. Step 6: Final answer
    x = 496,930,698.63

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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.