Home / 515,877,028,739.30-711,912,449,960.51-284,385,462,483.96

Finding the Fourth Proportional to 515,877,028,739.30, 711,912,449,960.51 and 284,385,462,483.96

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Solution

The fourth proportional to 515,877,028,739.30, 711,912,449,960.51 and 284,385,462,483.96 is: 392,453,123,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,877,028,739.30 : 711,912,449,960.51 = 284,385,462,483.96 : x
  2. Step 2: Convert to fraction form
    515,877,028,739.30/711,912,449,960.51 = 284,385,462,483.96/x
  3. Step 3: Cross multiply
    515,877,028,739.30x = 711,912,449,960.51 × 284,385,462,483.96
  4. Step 4: Simplify right side
    515,877,028,739.30x = 202,457,551,330,108,686,467,072
  5. Step 5: Solve for x
    x = 202,457,551,330,108,686,467,072/515,877,028,739.30
  6. Step 6: Final answer
    x = 392,453,123,615.28

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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.