Home / 972,725,275.62-1,459,239,078.87-326,644,185.06

Finding the Fourth Proportional to 972,725,275.62, 1,459,239,078.87 and 326,644,185.06

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Solution

The fourth proportional to 972,725,275.62, 1,459,239,078.87 and 326,644,185.06 is: 490,017,039.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,725,275.62 : 1,459,239,078.87 = 326,644,185.06 : x
  2. Step 2: Convert to fraction form
    972,725,275.62/1,459,239,078.87 = 326,644,185.06/x
  3. Step 3: Cross multiply
    972,725,275.62x = 1,459,239,078.87 × 326,644,185.06
  4. Step 4: Simplify right side
    972,725,275.62x = 476,651,959,725,196,160
  5. Step 5: Solve for x
    x = 476,651,959,725,196,160/972,725,275.62
  6. Step 6: Final answer
    x = 490,017,039.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.