Home / 849,959,910.66-1,275,310,387.53-297,658,539.21

Finding the Fourth Proportional to 849,959,910.66, 1,275,310,387.53 and 297,658,539.21

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Solution

The fourth proportional to 849,959,910.66, 1,275,310,387.53 and 297,658,539.21 is: 446,617,566.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,959,910.66 : 1,275,310,387.53 = 297,658,539.21 : x
  2. Step 2: Convert to fraction form
    849,959,910.66/1,275,310,387.53 = 297,658,539.21/x
  3. Step 3: Cross multiply
    849,959,910.66x = 1,275,310,387.53 × 297,658,539.21
  4. Step 4: Simplify right side
    849,959,910.66x = 379,607,026,991,518,784
  5. Step 5: Solve for x
    x = 379,607,026,991,518,784/849,959,910.66
  6. Step 6: Final answer
    x = 446,617,566.58

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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.