Home / 1,223,657,353,984.40-1,688,652,398,363.60-667,474,601,469.30

Finding the Fourth Proportional to 1,223,657,353,984.40, 1,688,652,398,363.60 and 667,474,601,469.30

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Solution

The fourth proportional to 1,223,657,353,984.40, 1,688,652,398,363.60 and 667,474,601,469.30 is: 921,117,813,698.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,657,353,984.40 : 1,688,652,398,363.60 = 667,474,601,469.30 : x
  2. Step 2: Convert to fraction form
    1,223,657,353,984.40/1,688,652,398,363.60 = 667,474,601,469.30/x
  3. Step 3: Cross multiply
    1,223,657,353,984.40x = 1,688,652,398,363.60 × 667,474,601,469.30
  4. Step 4: Simplify right side
    1,223,657,353,984.40x = 1,127,132,586,617,921,637,187,584
  5. Step 5: Solve for x
    x = 1,127,132,586,617,921,637,187,584/1,223,657,353,984.40
  6. Step 6: Final answer
    x = 921,117,813,698.27

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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.