Home / 849,932,297.90-1,275,269,274.45-297,631,130.54

Finding the Fourth Proportional to 849,932,297.90, 1,275,269,274.45 and 297,631,130.54

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Solution

The fourth proportional to 849,932,297.90, 1,275,269,274.45 and 297,631,130.54 is: 446,576,553.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,932,297.90 : 1,275,269,274.45 = 297,631,130.54 : x
  2. Step 2: Convert to fraction form
    849,932,297.90/1,275,269,274.45 = 297,631,130.54/x
  3. Step 3: Cross multiply
    849,932,297.90x = 1,275,269,274.45 × 297,631,130.54
  4. Step 4: Simplify right side
    849,932,297.90x = 379,559,835,897,479,104
  5. Step 5: Solve for x
    x = 379,559,835,897,479,104/849,932,297.90
  6. Step 6: Final answer
    x = 446,576,553.02

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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.