Home / 1,223,657,353,963.40-1,688,652,398,334.10-667,474,601,448.30

Finding the Fourth Proportional to 1,223,657,353,963.40, 1,688,652,398,334.10 and 667,474,601,448.30

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Solution

The fourth proportional to 1,223,657,353,963.40, 1,688,652,398,334.10 and 667,474,601,448.30 is: 921,117,813,669.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,657,353,963.40 : 1,688,652,398,334.10 = 667,474,601,448.30 : x
  2. Step 2: Convert to fraction form
    1,223,657,353,963.40/1,688,652,398,334.10 = 667,474,601,448.30/x
  3. Step 3: Cross multiply
    1,223,657,353,963.40x = 1,688,652,398,334.10 × 667,474,601,448.30
  4. Step 4: Simplify right side
    1,223,657,353,963.40x = 1,127,132,586,562,769,425,268,736
  5. Step 5: Solve for x
    x = 1,127,132,586,562,769,425,268,736/1,223,657,353,963.40
  6. Step 6: Final answer
    x = 921,117,813,669.01

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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.