Home / 2,315,929,985.28-3,196,008,066.11-1,258,658,033.94

Finding the Fourth Proportional to 2,315,929,985.28, 3,196,008,066.11 and 1,258,658,033.94

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Solution

The fourth proportional to 2,315,929,985.28, 3,196,008,066.11 and 1,258,658,033.94 is: 1,736,961,503.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,929,985.28 : 3,196,008,066.11 = 1,258,658,033.94 : x
  2. Step 2: Convert to fraction form
    2,315,929,985.28/3,196,008,066.11 = 1,258,658,033.94/x
  3. Step 3: Cross multiply
    2,315,929,985.28x = 3,196,008,066.11 × 1,258,658,033.94
  4. Step 4: Simplify right side
    2,315,929,985.28x = 4,022,681,228,940,101,120
  5. Step 5: Solve for x
    x = 4,022,681,228,940,101,120/2,315,929,985.28
  6. Step 6: Final answer
    x = 1,736,961,503.37

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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.