Home / 989,959,243.12-1,484,708,496.84-368,467,167.64

Finding the Fourth Proportional to 989,959,243.12, 1,484,708,496.84 and 368,467,167.64

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Solution

The fourth proportional to 989,959,243.12, 1,484,708,496.84 and 368,467,167.64 is: 552,615,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,959,243.12 : 1,484,708,496.84 = 368,467,167.64 : x
  2. Step 2: Convert to fraction form
    989,959,243.12/1,484,708,496.84 = 368,467,167.64/x
  3. Step 3: Cross multiply
    989,959,243.12x = 1,484,708,496.84 × 368,467,167.64
  4. Step 4: Simplify right side
    989,959,243.12x = 547,066,334,601,676,608
  5. Step 5: Solve for x
    x = 547,066,334,601,676,608/989,959,243.12
  6. Step 6: Final answer
    x = 552,615,007.54

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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.