Home / 13,687,116,170-18,884,981,630.04-7,746,668,846.96

Finding the Fourth Proportional to 13,687,116,170, 18,884,981,630.04 and 7,746,668,846.96

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Solution

The fourth proportional to 13,687,116,170, 18,884,981,630.04 and 7,746,668,846.96 is: 10,688,569,969.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,687,116,170 : 18,884,981,630.04 = 7,746,668,846.96 : x
  2. Step 2: Convert to fraction form
    13,687,116,170/18,884,981,630.04 = 7,746,668,846.96/x
  3. Step 3: Cross multiply
    13,687,116,170x = 18,884,981,630.04 × 7,746,668,846.96
  4. Step 4: Simplify right side
    13,687,116,170x = 146,295,698,868,842,758,144
  5. Step 5: Solve for x
    x = 146,295,698,868,842,758,144/13,687,116,170
  6. Step 6: Final answer
    x = 10,688,569,969.87

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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.