Home / 517,877,406.26-777,307,223.30-320,543,903.07

Finding the Fourth Proportional to 517,877,406.26, 777,307,223.30 and 320,543,903.07

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Solution

The fourth proportional to 517,877,406.26, 777,307,223.30 and 320,543,903.07 is: 481,119,833.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,877,406.26 : 777,307,223.30 = 320,543,903.07 : x
  2. Step 2: Convert to fraction form
    517,877,406.26/777,307,223.30 = 320,543,903.07/x
  3. Step 3: Cross multiply
    517,877,406.26x = 777,307,223.30 × 320,543,903.07
  4. Step 4: Simplify right side
    517,877,406.26x = 249,161,091,242,246,112
  5. Step 5: Solve for x
    x = 249,161,091,242,246,112/517,877,406.26
  6. Step 6: Final answer
    x = 481,119,833.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.