Home / 863,627,101.80-1,292,889,735.90-572,822,586.60

Finding the Fourth Proportional to 863,627,101.80, 1,292,889,735.90 and 572,822,586.60

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Solution

The fourth proportional to 863,627,101.80, 1,292,889,735.90 and 572,822,586.60 is: 857,541,919.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,627,101.80 : 1,292,889,735.90 = 572,822,586.60 : x
  2. Step 2: Convert to fraction form
    863,627,101.80/1,292,889,735.90 = 572,822,586.60/x
  3. Step 3: Cross multiply
    863,627,101.80x = 1,292,889,735.90 × 572,822,586.60
  4. Step 4: Simplify right side
    863,627,101.80x = 740,596,442,706,828,928
  5. Step 5: Solve for x
    x = 740,596,442,706,828,928/863,627,101.80
  6. Step 6: Final answer
    x = 857,541,919.61

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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.