Home / 615,883,049.88-849,709,356.64-351,375,022.68

Finding the Fourth Proportional to 615,883,049.88, 849,709,356.64 and 351,375,022.68

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Solution

The fourth proportional to 615,883,049.88, 849,709,356.64 and 351,375,022.68 is: 484,778,148.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,883,049.88 : 849,709,356.64 = 351,375,022.68 : x
  2. Step 2: Convert to fraction form
    615,883,049.88/849,709,356.64 = 351,375,022.68/x
  3. Step 3: Cross multiply
    615,883,049.88x = 849,709,356.64 × 351,375,022.68
  4. Step 4: Simplify right side
    615,883,049.88x = 298,566,644,460,788,224
  5. Step 5: Solve for x
    x = 298,566,644,460,788,224/615,883,049.88
  6. Step 6: Final answer
    x = 484,778,148.25

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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.