Home / 622,889,666.40-934,334,499.60-162,874,336.80

Finding the Fourth Proportional to 622,889,666.40, 934,334,499.60 and 162,874,336.80

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Solution

The fourth proportional to 622,889,666.40, 934,334,499.60 and 162,874,336.80 is: 244,311,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,889,666.40 : 934,334,499.60 = 162,874,336.80 : x
  2. Step 2: Convert to fraction form
    622,889,666.40/934,334,499.60 = 162,874,336.80/x
  3. Step 3: Cross multiply
    622,889,666.40x = 934,334,499.60 × 162,874,336.80
  4. Step 4: Simplify right side
    622,889,666.40x = 152,179,111,971,709,888
  5. Step 5: Solve for x
    x = 152,179,111,971,709,888/622,889,666.40
  6. Step 6: Final answer
    x = 244,311,505.20

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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.