Home / 463,519,647.72-695,171,607.80-172,523,813.76

Finding the Fourth Proportional to 463,519,647.72, 695,171,607.80 and 172,523,813.76

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Solution

The fourth proportional to 463,519,647.72, 695,171,607.80 and 172,523,813.76 is: 258,745,573.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,519,647.72 : 695,171,607.80 = 172,523,813.76 : x
  2. Step 2: Convert to fraction form
    463,519,647.72/695,171,607.80 = 172,523,813.76/x
  3. Step 3: Cross multiply
    463,519,647.72x = 695,171,607.80 × 172,523,813.76
  4. Step 4: Simplify right side
    463,519,647.72x = 119,933,656,994,464,336
  5. Step 5: Solve for x
    x = 119,933,656,994,464,336/463,519,647.72
  6. Step 6: Final answer
    x = 258,745,573.32

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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.