Home / 28,114,764,660.56-38,798,268,798.48-15,427,712,639.36

Finding the Fourth Proportional to 28,114,764,660.56, 38,798,268,798.48 and 15,427,712,639.36

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Solution

The fourth proportional to 28,114,764,660.56, 38,798,268,798.48 and 15,427,712,639.36 is: 21,290,185,038.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114,764,660.56 : 38,798,268,798.48 = 15,427,712,639.36 : x
  2. Step 2: Convert to fraction form
    28,114,764,660.56/38,798,268,798.48 = 15,427,712,639.36/x
  3. Step 3: Cross multiply
    28,114,764,660.56x = 38,798,268,798.48 × 15,427,712,639.36
  4. Step 4: Simplify right side
    28,114,764,660.56x = 598,568,541,927,596,752,896
  5. Step 5: Solve for x
    x = 598,568,541,927,596,752,896/28,114,764,660.56
  6. Step 6: Final answer
    x = 21,290,185,038.16

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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.