Home / 1,092,099,661.20-1,638,149,491.80-401,864,090.40

Finding the Fourth Proportional to 1,092,099,661.20, 1,638,149,491.80 and 401,864,090.40

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Solution

The fourth proportional to 1,092,099,661.20, 1,638,149,491.80 and 401,864,090.40 is: 602,796,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,099,661.20 : 1,638,149,491.80 = 401,864,090.40 : x
  2. Step 2: Convert to fraction form
    1,092,099,661.20/1,638,149,491.80 = 401,864,090.40/x
  3. Step 3: Cross multiply
    1,092,099,661.20x = 1,638,149,491.80 × 401,864,090.40
  4. Step 4: Simplify right side
    1,092,099,661.20x = 658,313,455,461,429,248
  5. Step 5: Solve for x
    x = 658,313,455,461,429,248/1,092,099,661.20
  6. Step 6: Final answer
    x = 602,796,135.60

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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.