Home / 12,091,685,329.60-18,137,527,994.40-11,402,937,793.60

Finding the Fourth Proportional to 12,091,685,329.60, 18,137,527,994.40 and 11,402,937,793.60

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Solution

The fourth proportional to 12,091,685,329.60, 18,137,527,994.40 and 11,402,937,793.60 is: 17,104,406,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091,685,329.60 : 18,137,527,994.40 = 11,402,937,793.60 : x
  2. Step 2: Convert to fraction form
    12,091,685,329.60/18,137,527,994.40 = 11,402,937,793.60/x
  3. Step 3: Cross multiply
    12,091,685,329.60x = 18,137,527,994.40 × 11,402,937,793.60
  4. Step 4: Simplify right side
    12,091,685,329.60x = 206,821,103,449,821,806,592
  5. Step 5: Solve for x
    x = 206,821,103,449,821,806,592/12,091,685,329.60
  6. Step 6: Final answer
    x = 17,104,406,690.40

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1.5x scale

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.