Home / 1,324,721,156.40-1,828,127,286.72-730,026,978.48

Finding the Fourth Proportional to 1,324,721,156.40, 1,828,127,286.72 and 730,026,978.48

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Solution

The fourth proportional to 1,324,721,156.40, 1,828,127,286.72 and 730,026,978.48 is: 1,007,443,893.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,721,156.40 : 1,828,127,286.72 = 730,026,978.48 : x
  2. Step 2: Convert to fraction form
    1,324,721,156.40/1,828,127,286.72 = 730,026,978.48/x
  3. Step 3: Cross multiply
    1,324,721,156.40x = 1,828,127,286.72 × 730,026,978.48
  4. Step 4: Simplify right side
    1,324,721,156.40x = 1,334,582,239,401,042,176
  5. Step 5: Solve for x
    x = 1,334,582,239,401,042,176/1,324,721,156.40
  6. Step 6: Final answer
    x = 1,007,443,893.35

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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.