Home / 516,373,169.38-774,711,720.76-166,612,675.96

Finding the Fourth Proportional to 516,373,169.38, 774,711,720.76 and 166,612,675.96

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Solution

The fourth proportional to 516,373,169.38, 774,711,720.76 and 166,612,675.96 is: 249,968,047.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,373,169.38 : 774,711,720.76 = 166,612,675.96 : x
  2. Step 2: Convert to fraction form
    516,373,169.38/774,711,720.76 = 166,612,675.96/x
  3. Step 3: Cross multiply
    516,373,169.38x = 774,711,720.76 × 166,612,675.96
  4. Step 4: Simplify right side
    516,373,169.38x = 129,076,792,889,526,336
  5. Step 5: Solve for x
    x = 129,076,792,889,526,336/516,373,169.38
  6. Step 6: Final answer
    x = 249,968,047.42

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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.