Home / 516,373,168.88-774,711,720.01-166,612,675.46

Finding the Fourth Proportional to 516,373,168.88, 774,711,720.01 and 166,612,675.46

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Solution

The fourth proportional to 516,373,168.88, 774,711,720.01 and 166,612,675.46 is: 249,968,046.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,373,168.88 : 774,711,720.01 = 166,612,675.46 : x
  2. Step 2: Convert to fraction form
    516,373,168.88/774,711,720.01 = 166,612,675.46/x
  3. Step 3: Cross multiply
    516,373,168.88x = 774,711,720.01 × 166,612,675.46
  4. Step 4: Simplify right side
    516,373,168.88x = 129,076,792,376,794,448
  5. Step 5: Solve for x
    x = 129,076,792,376,794,448/516,373,168.88
  6. Step 6: Final answer
    x = 249,968,046.67

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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.