Home / 6,913,889,875.98-10,370,850,756.39-3,985,309,843.74

Finding the Fourth Proportional to 6,913,889,875.98, 10,370,850,756.39 and 3,985,309,843.74

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Solution

The fourth proportional to 6,913,889,875.98, 10,370,850,756.39 and 3,985,309,843.74 is: 5,977,973,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913,889,875.98 : 10,370,850,756.39 = 3,985,309,843.74 : x
  2. Step 2: Convert to fraction form
    6,913,889,875.98/10,370,850,756.39 = 3,985,309,843.74/x
  3. Step 3: Cross multiply
    6,913,889,875.98x = 10,370,850,756.39 × 3,985,309,843.74
  4. Step 4: Simplify right side
    6,913,889,875.98x = 41,331,053,607,399,489,536
  5. Step 5: Solve for x
    x = 41,331,053,607,399,489,536/6,913,889,875.98
  6. Step 6: Final answer
    x = 5,977,973,955.15

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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.