Home / 10,211,740,985.85-15,286,194,918.72-6,662,840,790.30

Finding the Fourth Proportional to 10,211,740,985.85, 15,286,194,918.72 and 6,662,840,790.30

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Solution

The fourth proportional to 10,211,740,985.85, 15,286,194,918.72 and 6,662,840,790.30 is: 9,973,762,865.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211,740,985.85 : 15,286,194,918.72 = 6,662,840,790.30 : x
  2. Step 2: Convert to fraction form
    10,211,740,985.85/15,286,194,918.72 = 6,662,840,790.30/x
  3. Step 3: Cross multiply
    10,211,740,985.85x = 15,286,194,918.72 × 6,662,840,790.30
  4. Step 4: Simplify right side
    10,211,740,985.85x = 101,849,483,032,924,209,152
  5. Step 5: Solve for x
    x = 101,849,483,032,924,209,152/10,211,740,985.85
  6. Step 6: Final answer
    x = 9,973,762,865.12

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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.