Home / 18,569,120,632.80-27,853,680,949.20-12,691,808,325.60

Finding the Fourth Proportional to 18,569,120,632.80, 27,853,680,949.20 and 12,691,808,325.60

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Solution

The fourth proportional to 18,569,120,632.80, 27,853,680,949.20 and 12,691,808,325.60 is: 19,037,712,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569,120,632.80 : 27,853,680,949.20 = 12,691,808,325.60 : x
  2. Step 2: Convert to fraction form
    18,569,120,632.80/27,853,680,949.20 = 12,691,808,325.60/x
  3. Step 3: Cross multiply
    18,569,120,632.80x = 27,853,680,949.20 × 12,691,808,325.60
  4. Step 4: Simplify right side
    18,569,120,632.80x = 353,513,579,769,662,668,800
  5. Step 5: Solve for x
    x = 353,513,579,769,662,668,800/18,569,120,632.80
  6. Step 6: Final answer
    x = 19,037,712,488.40

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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.