Home / 577,381,885.20-866,106,005.40-168,501,142.80

Finding the Fourth Proportional to 577,381,885.20, 866,106,005.40 and 168,501,142.80

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Solution

The fourth proportional to 577,381,885.20, 866,106,005.40 and 168,501,142.80 is: 252,761,396.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,381,885.20 : 866,106,005.40 = 168,501,142.80 : x
  2. Step 2: Convert to fraction form
    577,381,885.20/866,106,005.40 = 168,501,142.80/x
  3. Step 3: Cross multiply
    577,381,885.20x = 866,106,005.40 × 168,501,142.80
  4. Step 4: Simplify right side
    577,381,885.20x = 145,939,851,695,842,976
  5. Step 5: Solve for x
    x = 145,939,851,695,842,976/577,381,885.20
  6. Step 6: Final answer
    x = 252,761,396.64

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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.