Home / 376,892,217-565,338,532.05-172,276,803.18

Finding the Fourth Proportional to 376,892,217, 565,338,532.05 and 172,276,803.18

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Solution

The fourth proportional to 376,892,217, 565,338,532.05 and 172,276,803.18 is: 258,415,299.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,892,217 : 565,338,532.05 = 172,276,803.18 : x
  2. Step 2: Convert to fraction form
    376,892,217/565,338,532.05 = 172,276,803.18/x
  3. Step 3: Cross multiply
    376,892,217x = 565,338,532.05 × 172,276,803.18
  4. Step 4: Simplify right side
    376,892,217x = 97,394,715,016,047,968
  5. Step 5: Solve for x
    x = 97,394,715,016,047,968/376,892,217
  6. Step 6: Final answer
    x = 258,415,299.18

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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.