Home / 873,758,459.38-1,205,786,627.58-471,872,174.30

Finding the Fourth Proportional to 873,758,459.38, 1,205,786,627.58 and 471,872,174.30

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Solution

The fourth proportional to 873,758,459.38, 1,205,786,627.58 and 471,872,174.30 is: 651,183,575.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,758,459.38 : 1,205,786,627.58 = 471,872,174.30 : x
  2. Step 2: Convert to fraction form
    873,758,459.38/1,205,786,627.58 = 471,872,174.30/x
  3. Step 3: Cross multiply
    873,758,459.38x = 1,205,786,627.58 × 471,872,174.30
  4. Step 4: Simplify right side
    873,758,459.38x = 568,977,157,698,038,912
  5. Step 5: Solve for x
    x = 568,977,157,698,038,912/873,758,459.38
  6. Step 6: Final answer
    x = 651,183,575.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.