Home / 443,752,655.19-612,396,690.02-245,510,921.28

Finding the Fourth Proportional to 443,752,655.19, 612,396,690.02 and 245,510,921.28

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Solution

The fourth proportional to 443,752,655.19, 612,396,690.02 and 245,510,921.28 is: 338,815,044.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,752,655.19 : 612,396,690.02 = 245,510,921.28 : x
  2. Step 2: Convert to fraction form
    443,752,655.19/612,396,690.02 = 245,510,921.28/x
  3. Step 3: Cross multiply
    443,752,655.19x = 612,396,690.02 × 245,510,921.28
  4. Step 4: Simplify right side
    443,752,655.19x = 150,350,075,554,405,216
  5. Step 5: Solve for x
    x = 150,350,075,554,405,216/443,752,655.19
  6. Step 6: Final answer
    x = 338,815,044.36

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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.