Home / 7,857,692,358.20-11,769,319,848.90-6,985,278,812.60

Finding the Fourth Proportional to 7,857,692,358.20, 11,769,319,848.90 and 6,985,278,812.60

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Solution

The fourth proportional to 7,857,692,358.20, 11,769,319,848.90 and 6,985,278,812.60 is: 10,462,611,264.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857,692,358.20 : 11,769,319,848.90 = 6,985,278,812.60 : x
  2. Step 2: Convert to fraction form
    7,857,692,358.20/11,769,319,848.90 = 6,985,278,812.60/x
  3. Step 3: Cross multiply
    7,857,692,358.20x = 11,769,319,848.90 × 6,985,278,812.60
  4. Step 4: Simplify right side
    7,857,692,358.20x = 82,211,980,579,233,808,384
  5. Step 5: Solve for x
    x = 82,211,980,579,233,808,384/7,857,692,358.20
  6. Step 6: Final answer
    x = 10,462,611,264.42

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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.