Home / 13,784,711,043.64-19,022,399,015.41-7,680,748,221.81

Finding the Fourth Proportional to 13,784,711,043.64, 19,022,399,015.41 and 7,680,748,221.81

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Solution

The fourth proportional to 13,784,711,043.64, 19,022,399,015.41 and 7,680,748,221.81 is: 10,599,152,709.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784,711,043.64 : 19,022,399,015.41 = 7,680,748,221.81 : x
  2. Step 2: Convert to fraction form
    13,784,711,043.64/19,022,399,015.41 = 7,680,748,221.81/x
  3. Step 3: Cross multiply
    13,784,711,043.64x = 19,022,399,015.41 × 7,680,748,221.81
  4. Step 4: Simplify right side
    13,784,711,043.64x = 146,106,257,412,136,615,936
  5. Step 5: Solve for x
    x = 146,106,257,412,136,615,936/13,784,711,043.64
  6. Step 6: Final answer
    x = 10,599,152,709.81

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1.5x scale

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.