Home / 577,256,679.50-866,029,393.68-168,312,830

Finding the Fourth Proportional to 577,256,679.50, 866,029,393.68 and 168,312,830

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Solution

The fourth proportional to 577,256,679.50, 866,029,393.68 and 168,312,830 is: 252,511,340.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,256,679.50 : 866,029,393.68 = 168,312,830 : x
  2. Step 2: Convert to fraction form
    577,256,679.50/866,029,393.68 = 168,312,830/x
  3. Step 3: Cross multiply
    577,256,679.50x = 866,029,393.68 × 168,312,830
  4. Step 4: Simplify right side
    577,256,679.50x = 145,763,858,113,464,896
  5. Step 5: Solve for x
    x = 145,763,858,113,464,896/577,256,679.50
  6. Step 6: Final answer
    x = 252,511,340.78

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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.