Home / 13,451,509,901.60-20,177,264,852.40-7,175,297,979.80

Finding the Fourth Proportional to 13,451,509,901.60, 20,177,264,852.40 and 7,175,297,979.80

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Solution

The fourth proportional to 13,451,509,901.60, 20,177,264,852.40 and 7,175,297,979.80 is: 10,762,946,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451,509,901.60 : 20,177,264,852.40 = 7,175,297,979.80 : x
  2. Step 2: Convert to fraction form
    13,451,509,901.60/20,177,264,852.40 = 7,175,297,979.80/x
  3. Step 3: Cross multiply
    13,451,509,901.60x = 20,177,264,852.40 × 7,175,297,979.80
  4. Step 4: Simplify right side
    13,451,509,901.60x = 144,777,887,733,315,272,704
  5. Step 5: Solve for x
    x = 144,777,887,733,315,272,704/13,451,509,901.60
  6. Step 6: Final answer
    x = 10,762,946,969.70

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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.