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Finding the Fourth Proportional to 12,550,988,045.95, 18,826,482,068.93 and 12,550,988,045.95

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Solution

The fourth proportional to 12,550,988,045.95, 18,826,482,068.93 and 12,550,988,045.95 is: 18,826,482,068.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550,988,045.95 : 18,826,482,068.93 = 12,550,988,045.95 : x
  2. Step 2: Convert to fraction form
    12,550,988,045.95/18,826,482,068.93 = 12,550,988,045.95/x
  3. Step 3: Cross multiply
    12,550,988,045.95x = 18,826,482,068.93 × 12,550,988,045.95
  4. Step 4: Simplify right side
    12,550,988,045.95x = 236,290,951,394,369,699,840
  5. Step 5: Solve for x
    x = 236,290,951,394,369,699,840/12,550,988,045.95
  6. Step 6: Final answer
    x = 18,826,482,068.93

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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.