Home / 1,683,281,876.12-2,323,000,728.48-940,725,917

Finding the Fourth Proportional to 1,683,281,876.12, 2,323,000,728.48 and 940,725,917

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Solution

The fourth proportional to 1,683,281,876.12, 2,323,000,728.48 and 940,725,917 is: 1,298,241,858.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,281,876.12 : 2,323,000,728.48 = 940,725,917 : x
  2. Step 2: Convert to fraction form
    1,683,281,876.12/2,323,000,728.48 = 940,725,917/x
  3. Step 3: Cross multiply
    1,683,281,876.12x = 2,323,000,728.48 × 940,725,917
  4. Step 4: Simplify right side
    1,683,281,876.12x = 2,185,306,990,491,015,936
  5. Step 5: Solve for x
    x = 2,185,306,990,491,015,936/1,683,281,876.12
  6. Step 6: Final answer
    x = 1,298,241,858.06

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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.