Home / 605,328,607.80-907,992,911.70-329,112,148.05

Finding the Fourth Proportional to 605,328,607.80, 907,992,911.70 and 329,112,148.05

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Solution

The fourth proportional to 605,328,607.80, 907,992,911.70 and 329,112,148.05 is: 493,668,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,328,607.80 : 907,992,911.70 = 329,112,148.05 : x
  2. Step 2: Convert to fraction form
    605,328,607.80/907,992,911.70 = 329,112,148.05/x
  3. Step 3: Cross multiply
    605,328,607.80x = 907,992,911.70 × 329,112,148.05
  4. Step 4: Simplify right side
    605,328,607.80x = 298,831,497,583,761,024
  5. Step 5: Solve for x
    x = 298,831,497,583,761,024/605,328,607.80
  6. Step 6: Final answer
    x = 493,668,222.08

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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.