Home / 872,805,688.20-1,309,208,532.30-545,650,608.60

Finding the Fourth Proportional to 872,805,688.20, 1,309,208,532.30 and 545,650,608.60

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Solution

The fourth proportional to 872,805,688.20, 1,309,208,532.30 and 545,650,608.60 is: 818,475,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,805,688.20 : 1,309,208,532.30 = 545,650,608.60 : x
  2. Step 2: Convert to fraction form
    872,805,688.20/1,309,208,532.30 = 545,650,608.60/x
  3. Step 3: Cross multiply
    872,805,688.20x = 1,309,208,532.30 × 545,650,608.60
  4. Step 4: Simplify right side
    872,805,688.20x = 714,370,432,433,807,744
  5. Step 5: Solve for x
    x = 714,370,432,433,807,744/872,805,688.20
  6. Step 6: Final answer
    x = 818,475,912.90

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Double scale
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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.