Home / 1,378,827,008.64-1,903,368,392.46-926,967,038.49

Finding the Fourth Proportional to 1,378,827,008.64, 1,903,368,392.46 and 926,967,038.49

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Solution

The fourth proportional to 1,378,827,008.64, 1,903,368,392.46 and 926,967,038.49 is: 1,279,609,226.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,827,008.64 : 1,903,368,392.46 = 926,967,038.49 : x
  2. Step 2: Convert to fraction form
    1,378,827,008.64/1,903,368,392.46 = 926,967,038.49/x
  3. Step 3: Cross multiply
    1,378,827,008.64x = 1,903,368,392.46 × 926,967,038.49
  4. Step 4: Simplify right side
    1,378,827,008.64x = 1,764,359,761,914,118,400
  5. Step 5: Solve for x
    x = 1,764,359,761,914,118,400/1,378,827,008.64
  6. Step 6: Final answer
    x = 1,279,609,226.44

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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.