Home / 733,274,580.30-1,011,945,529.56-420,069,327.18

Finding the Fourth Proportional to 733,274,580.30, 1,011,945,529.56 and 420,069,327.18

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Solution

The fourth proportional to 733,274,580.30, 1,011,945,529.56 and 420,069,327.18 is: 579,710,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,274,580.30 : 1,011,945,529.56 = 420,069,327.18 : x
  2. Step 2: Convert to fraction form
    733,274,580.30/1,011,945,529.56 = 420,069,327.18/x
  3. Step 3: Cross multiply
    733,274,580.30x = 1,011,945,529.56 × 420,069,327.18
  4. Step 4: Simplify right side
    733,274,580.30x = 425,087,277,745,078,016
  5. Step 5: Solve for x
    x = 425,087,277,745,078,016/733,274,580.30
  6. Step 6: Final answer
    x = 579,710,914.80

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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.