Home / 2,130,315,979.32-2,939,581,445.04-1,177,568,016.24

Finding the Fourth Proportional to 2,130,315,979.32, 2,939,581,445.04 and 1,177,568,016.24

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Solution

The fourth proportional to 2,130,315,979.32, 2,939,581,445.04 and 1,177,568,016.24 is: 1,624,903,124.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,315,979.32 : 2,939,581,445.04 = 1,177,568,016.24 : x
  2. Step 2: Convert to fraction form
    2,130,315,979.32/2,939,581,445.04 = 1,177,568,016.24/x
  3. Step 3: Cross multiply
    2,130,315,979.32x = 2,939,581,445.04 × 1,177,568,016.24
  4. Step 4: Simplify right side
    2,130,315,979.32x = 3,461,557,090,811,665,408
  5. Step 5: Solve for x
    x = 3,461,557,090,811,665,408/2,130,315,979.32
  6. Step 6: Final answer
    x = 1,624,903,124.43

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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.