Home / 545,329,400.69-819,204,790.21-338,220,864.58

Finding the Fourth Proportional to 545,329,400.69, 819,204,790.21 and 338,220,864.58

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Solution

The fourth proportional to 545,329,400.69, 819,204,790.21 and 338,220,864.58 is: 508,082,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,329,400.69 : 819,204,790.21 = 338,220,864.58 : x
  2. Step 2: Convert to fraction form
    545,329,400.69/819,204,790.21 = 338,220,864.58/x
  3. Step 3: Cross multiply
    545,329,400.69x = 819,204,790.21 × 338,220,864.58
  4. Step 4: Simplify right side
    545,329,400.69x = 277,072,152,408,807,712
  5. Step 5: Solve for x
    x = 277,072,152,408,807,712/545,329,400.69
  6. Step 6: Final answer
    x = 508,082,183.10

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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.