Home / 6,465,986,998.20-9,698,980,497.30-5,071,273,237.80

Finding the Fourth Proportional to 6,465,986,998.20, 9,698,980,497.30 and 5,071,273,237.80

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Solution

The fourth proportional to 6,465,986,998.20, 9,698,980,497.30 and 5,071,273,237.80 is: 7,606,909,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465,986,998.20 : 9,698,980,497.30 = 5,071,273,237.80 : x
  2. Step 2: Convert to fraction form
    6,465,986,998.20/9,698,980,497.30 = 5,071,273,237.80/x
  3. Step 3: Cross multiply
    6,465,986,998.20x = 9,698,980,497.30 × 5,071,273,237.80
  4. Step 4: Simplify right side
    6,465,986,998.20x = 49,186,180,229,901,623,296
  5. Step 5: Solve for x
    x = 49,186,180,229,901,623,296/6,465,986,998.20
  6. Step 6: Final answer
    x = 7,606,909,856.70

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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.