Home / 10,211,740,980.98-15,286,194,911.43-6,662,840,785.43

Finding the Fourth Proportional to 10,211,740,980.98, 15,286,194,911.43 and 6,662,840,785.43

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Solution

The fourth proportional to 10,211,740,980.98, 15,286,194,911.43 and 6,662,840,785.43 is: 9,973,762,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211,740,980.98 : 15,286,194,911.43 = 6,662,840,785.43 : x
  2. Step 2: Convert to fraction form
    10,211,740,980.98/15,286,194,911.43 = 6,662,840,785.43/x
  3. Step 3: Cross multiply
    10,211,740,980.98x = 15,286,194,911.43 × 6,662,840,785.43
  4. Step 4: Simplify right side
    10,211,740,980.98x = 101,849,482,909,831,905,280
  5. Step 5: Solve for x
    x = 101,849,482,909,831,905,280/10,211,740,980.98
  6. Step 6: Final answer
    x = 9,973,762,857.83

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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.