Home / 530,442,321.36-732,049,092.38-307,481,564.22

Finding the Fourth Proportional to 530,442,321.36, 732,049,092.38 and 307,481,564.22

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Solution

The fourth proportional to 530,442,321.36, 732,049,092.38 and 307,481,564.22 is: 424,346,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,442,321.36 : 732,049,092.38 = 307,481,564.22 : x
  2. Step 2: Convert to fraction form
    530,442,321.36/732,049,092.38 = 307,481,564.22/x
  3. Step 3: Cross multiply
    530,442,321.36x = 732,049,092.38 × 307,481,564.22
  4. Step 4: Simplify right side
    530,442,321.36x = 225,091,600,010,833,696
  5. Step 5: Solve for x
    x = 225,091,600,010,833,696/530,442,321.36
  6. Step 6: Final answer
    x = 424,346,985.42

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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.