Home / 12,420,294,964,146-18,630,821,991,372-4,261,120,786,925.40

Finding the Fourth Proportional to 12,420,294,964,146, 18,630,821,991,372 and 4,261,120,786,925.40

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Solution

The fourth proportional to 12,420,294,964,146, 18,630,821,991,372 and 4,261,120,786,925.40 is: 6,391,811,393,699.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,420,294,964,146 : 18,630,821,991,372 = 4,261,120,786,925.40 : x
  2. Step 2: Convert to fraction form
    12,420,294,964,146/18,630,821,991,372 = 4,261,120,786,925.40/x
  3. Step 3: Cross multiply
    12,420,294,964,146x = 18,630,821,991,372 × 4,261,120,786,925.40
  4. Step 4: Simplify right side
    12,420,294,964,146x = 79,388,182,864,942,095,832,973,312
  5. Step 5: Solve for x
    x = 79,388,182,864,942,095,832,973,312/12,420,294,964,146
  6. Step 6: Final answer
    x = 6,391,811,393,699.92

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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.