Home / 1,108,996,716,327.40-1,530,414,307,830.40-621,259,087,304.30

Finding the Fourth Proportional to 1,108,996,716,327.40, 1,530,414,307,830.40 and 621,259,087,304.30

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Solution

The fourth proportional to 1,108,996,716,327.40, 1,530,414,307,830.40 and 621,259,087,304.30 is: 857,336,890,255.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,996,716,327.40 : 1,530,414,307,830.40 = 621,259,087,304.30 : x
  2. Step 2: Convert to fraction form
    1,108,996,716,327.40/1,530,414,307,830.40 = 621,259,087,304.30/x
  3. Step 3: Cross multiply
    1,108,996,716,327.40x = 1,530,414,307,830.40 × 621,259,087,304.30
  4. Step 4: Simplify right side
    1,108,996,716,327.40x = 950,783,796,080,156,407,234,560
  5. Step 5: Solve for x
    x = 950,783,796,080,156,407,234,560/1,108,996,716,327.40
  6. Step 6: Final answer
    x = 857,336,890,255.92

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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.