Home / 489,966,331.64-735,092,985.36-144,929,147

Finding the Fourth Proportional to 489,966,331.64, 735,092,985.36 and 144,929,147

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Solution

The fourth proportional to 489,966,331.64, 735,092,985.36 and 144,929,147 is: 217,436,163.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,966,331.64 : 735,092,985.36 = 144,929,147 : x
  2. Step 2: Convert to fraction form
    489,966,331.64/735,092,985.36 = 144,929,147/x
  3. Step 3: Cross multiply
    489,966,331.64x = 735,092,985.36 × 144,929,147
  4. Step 4: Simplify right side
    489,966,331.64x = 106,536,399,333,908,288
  5. Step 5: Solve for x
    x = 106,536,399,333,908,288/489,966,331.64
  6. Step 6: Final answer
    x = 217,436,163.37

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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.