Home / 1,987,348,568.16-2,742,493,785.18-1,083,133,053.72

Finding the Fourth Proportional to 1,987,348,568.16, 2,742,493,785.18 and 1,083,133,053.72

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Solution

The fourth proportional to 1,987,348,568.16, 2,742,493,785.18 and 1,083,133,053.72 is: 1,494,697,868.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,348,568.16 : 2,742,493,785.18 = 1,083,133,053.72 : x
  2. Step 2: Convert to fraction form
    1,987,348,568.16/2,742,493,785.18 = 1,083,133,053.72/x
  3. Step 3: Cross multiply
    1,987,348,568.16x = 2,742,493,785.18 × 1,083,133,053.72
  4. Step 4: Simplify right side
    1,987,348,568.16x = 2,970,485,668,350,134,784
  5. Step 5: Solve for x
    x = 2,970,485,668,350,134,784/1,987,348,568.16
  6. Step 6: Final answer
    x = 1,494,697,868.28

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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.