Home / 525,420,436.88-724,959,910.29-313,686,059.22

Finding the Fourth Proportional to 525,420,436.88, 724,959,910.29 and 313,686,059.22

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Solution

The fourth proportional to 525,420,436.88, 724,959,910.29 and 313,686,059.22 is: 432,814,944.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,420,436.88 : 724,959,910.29 = 313,686,059.22 : x
  2. Step 2: Convert to fraction form
    525,420,436.88/724,959,910.29 = 313,686,059.22/x
  3. Step 3: Cross multiply
    525,420,436.88x = 724,959,910.29 × 313,686,059.22
  4. Step 4: Simplify right side
    525,420,436.88x = 227,409,817,351,354,848
  5. Step 5: Solve for x
    x = 227,409,817,351,354,848/525,420,436.88
  6. Step 6: Final answer
    x = 432,814,944.74

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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.