Home / 873,945,844.81-1,206,045,749.68-472,059,591.66

Finding the Fourth Proportional to 873,945,844.81, 1,206,045,749.68 and 472,059,591.66

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Solution

The fourth proportional to 873,945,844.81, 1,206,045,749.68 and 472,059,591.66 is: 651,442,497.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,945,844.81 : 1,206,045,749.68 = 472,059,591.66 : x
  2. Step 2: Convert to fraction form
    873,945,844.81/1,206,045,749.68 = 472,059,591.66/x
  3. Step 3: Cross multiply
    873,945,844.81x = 1,206,045,749.68 × 472,059,591.66
  4. Step 4: Simplify right side
    873,945,844.81x = 569,325,464,116,039,232
  5. Step 5: Solve for x
    x = 569,325,464,116,039,232/873,945,844.81
  6. Step 6: Final answer
    x = 651,442,497.84

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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.