Home / 849,959,911.66-1,275,310,389.03-297,658,540.21

Finding the Fourth Proportional to 849,959,911.66, 1,275,310,389.03 and 297,658,540.21

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Solution

The fourth proportional to 849,959,911.66, 1,275,310,389.03 and 297,658,540.21 is: 446,617,568.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,959,911.66 : 1,275,310,389.03 = 297,658,540.21 : x
  2. Step 2: Convert to fraction form
    849,959,911.66/1,275,310,389.03 = 297,658,540.21/x
  3. Step 3: Cross multiply
    849,959,911.66x = 1,275,310,389.03 × 297,658,540.21
  4. Step 4: Simplify right side
    849,959,911.66x = 379,607,028,713,316,992
  5. Step 5: Solve for x
    x = 379,607,028,713,316,992/849,959,911.66
  6. Step 6: Final answer
    x = 446,617,568.08

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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.