Home / 863,139,196.60-1,294,708,794.90-587,640,182.20

Finding the Fourth Proportional to 863,139,196.60, 1,294,708,794.90 and 587,640,182.20

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Solution

The fourth proportional to 863,139,196.60, 1,294,708,794.90 and 587,640,182.20 is: 881,460,273.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,139,196.60 : 1,294,708,794.90 = 587,640,182.20 : x
  2. Step 2: Convert to fraction form
    863,139,196.60/1,294,708,794.90 = 587,640,182.20/x
  3. Step 3: Cross multiply
    863,139,196.60x = 1,294,708,794.90 × 587,640,182.20
  4. Step 4: Simplify right side
    863,139,196.60x = 760,822,912,130,978,560
  5. Step 5: Solve for x
    x = 760,822,912,130,978,560/863,139,196.60
  6. Step 6: Final answer
    x = 881,460,273.30

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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.