Home / 1,223,657,353,984.60-1,688,652,398,363.40-667,474,601,469.60

Finding the Fourth Proportional to 1,223,657,353,984.60, 1,688,652,398,363.40 and 667,474,601,469.60

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Solution

The fourth proportional to 1,223,657,353,984.60, 1,688,652,398,363.40 and 667,474,601,469.60 is: 921,117,813,698.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,657,353,984.60 : 1,688,652,398,363.40 = 667,474,601,469.60 : x
  2. Step 2: Convert to fraction form
    1,223,657,353,984.60/1,688,652,398,363.40 = 667,474,601,469.60/x
  3. Step 3: Cross multiply
    1,223,657,353,984.60x = 1,688,652,398,363.40 × 667,474,601,469.60
  4. Step 4: Simplify right side
    1,223,657,353,984.60x = 1,127,132,586,618,294,494,035,968
  5. Step 5: Solve for x
    x = 1,127,132,586,618,294,494,035,968/1,223,657,353,984.60
  6. Step 6: Final answer
    x = 921,117,813,698.43

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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.