Home / 943,529,383.46-1,302,074,495.22-520,133,752.50

Finding the Fourth Proportional to 943,529,383.46, 1,302,074,495.22 and 520,133,752.50

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Solution

The fourth proportional to 943,529,383.46, 1,302,074,495.22 and 520,133,752.50 is: 717,786,753.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,529,383.46 : 1,302,074,495.22 = 520,133,752.50 : x
  2. Step 2: Convert to fraction form
    943,529,383.46/1,302,074,495.22 = 520,133,752.50/x
  3. Step 3: Cross multiply
    943,529,383.46x = 1,302,074,495.22 × 520,133,752.50
  4. Step 4: Simplify right side
    943,529,383.46x = 677,252,893,233,321,984
  5. Step 5: Solve for x
    x = 677,252,893,233,321,984/943,529,383.46
  6. Step 6: Final answer
    x = 717,786,753.77

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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.