Home / 577,381,880.70-866,105,998.65-168,501,138.30

Finding the Fourth Proportional to 577,381,880.70, 866,105,998.65 and 168,501,138.30

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Solution

The fourth proportional to 577,381,880.70, 866,105,998.65 and 168,501,138.30 is: 252,761,389.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,381,880.70 : 866,105,998.65 = 168,501,138.30 : x
  2. Step 2: Convert to fraction form
    577,381,880.70/866,105,998.65 = 168,501,138.30/x
  3. Step 3: Cross multiply
    577,381,880.70x = 866,105,998.65 × 168,501,138.30
  4. Step 4: Simplify right side
    577,381,880.70x = 145,939,846,660,983,264
  5. Step 5: Solve for x
    x = 145,939,846,660,983,264/577,381,880.70
  6. Step 6: Final answer
    x = 252,761,389.89

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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.