Home / 317,658,026.87-438,420,064.02-264,650,679.64

Finding the Fourth Proportional to 317,658,026.87, 438,420,064.02 and 264,650,679.64

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Solution

The fourth proportional to 317,658,026.87, 438,420,064.02 and 264,650,679.64 is: 365,261,249.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,658,026.87 : 438,420,064.02 = 264,650,679.64 : x
  2. Step 2: Convert to fraction form
    317,658,026.87/438,420,064.02 = 264,650,679.64/x
  3. Step 3: Cross multiply
    317,658,026.87x = 438,420,064.02 × 264,650,679.64
  4. Step 4: Simplify right side
    317,658,026.87x = 116,028,167,910,260,912
  5. Step 5: Solve for x
    x = 116,028,167,910,260,912/317,658,026.87
  6. Step 6: Final answer
    x = 365,261,249.82

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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.