Home / 21,928,219,227,952-30,261,668,255,290-12,051,812,790,865

Finding the Fourth Proportional to 21,928,219,227,952, 30,261,668,255,290 and 12,051,812,790,865

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Solution

The fourth proportional to 21,928,219,227,952, 30,261,668,255,290 and 12,051,812,790,865 is: 16,631,900,509,601

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928,219,227,952 : 30,261,668,255,290 = 12,051,812,790,865 : x
  2. Step 2: Convert to fraction form
    21,928,219,227,952/30,261,668,255,290 = 12,051,812,790,865/x
  3. Step 3: Cross multiply
    21,928,219,227,952x = 30,261,668,255,290 × 12,051,812,790,865
  4. Step 4: Simplify right side
    21,928,219,227,952x = 364,707,960,552,017,326,923,317,248
  5. Step 5: Solve for x
    x = 364,707,960,552,017,326,923,317,248/21,928,219,227,952
  6. Step 6: Final answer
    x = 16,631,900,509,601

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.