Home / 641,060,741,437.44-961,622,038,627.92-210,788,300,191.84

Finding the Fourth Proportional to 641,060,741,437.44, 961,622,038,627.92 and 210,788,300,191.84

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Solution

The fourth proportional to 641,060,741,437.44, 961,622,038,627.92 and 210,788,300,191.84 is: 316,192,619,274.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,060,741,437.44 : 961,622,038,627.92 = 210,788,300,191.84 : x
  2. Step 2: Convert to fraction form
    641,060,741,437.44/961,622,038,627.92 = 210,788,300,191.84/x
  3. Step 3: Cross multiply
    641,060,741,437.44x = 961,622,038,627.92 × 210,788,300,191.84
  4. Step 4: Simplify right side
    641,060,741,437.44x = 202,698,674,949,391,153,889,280
  5. Step 5: Solve for x
    x = 202,698,674,949,391,153,889,280/641,060,741,437.44
  6. Step 6: Final answer
    x = 316,192,619,274.87

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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.