Home / 443,943,410.76-612,643,217.58-245,718,673.38

Finding the Fourth Proportional to 443,943,410.76, 612,643,217.58 and 245,718,673.38

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Solution

The fourth proportional to 443,943,410.76, 612,643,217.58 and 245,718,673.38 is: 339,092,494.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,943,410.76 : 612,643,217.58 = 245,718,673.38 : x
  2. Step 2: Convert to fraction form
    443,943,410.76/612,643,217.58 = 245,718,673.38/x
  3. Step 3: Cross multiply
    443,943,410.76x = 612,643,217.58 × 245,718,673.38
  4. Step 4: Simplify right side
    443,943,410.76x = 150,537,878,679,012,288
  5. Step 5: Solve for x
    x = 150,537,878,679,012,288/443,943,410.76
  6. Step 6: Final answer
    x = 339,092,494.74

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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.