Home / 541,731,521.58-747,635,606.72-306,823,970.76

Finding the Fourth Proportional to 541,731,521.58, 747,635,606.72 and 306,823,970.76

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Solution

The fourth proportional to 541,731,521.58, 747,635,606.72 and 306,823,970.76 is: 423,443,193.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,731,521.58 : 747,635,606.72 = 306,823,970.76 : x
  2. Step 2: Convert to fraction form
    541,731,521.58/747,635,606.72 = 306,823,970.76/x
  3. Step 3: Cross multiply
    541,731,521.58x = 747,635,606.72 × 306,823,970.76
  4. Step 4: Simplify right side
    541,731,521.58x = 229,392,525,535,392,128
  5. Step 5: Solve for x
    x = 229,392,525,535,392,128/541,731,521.58
  6. Step 6: Final answer
    x = 423,443,193.53

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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.