Home / 1,223,657,353,942.60-1,688,652,398,304.90-667,474,601,427.51

Finding the Fourth Proportional to 1,223,657,353,942.60, 1,688,652,398,304.90 and 667,474,601,427.51

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Solution

The fourth proportional to 1,223,657,353,942.60, 1,688,652,398,304.90 and 667,474,601,427.51 is: 921,117,813,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,657,353,942.60 : 1,688,652,398,304.90 = 667,474,601,427.51 : x
  2. Step 2: Convert to fraction form
    1,223,657,353,942.60/1,688,652,398,304.90 = 667,474,601,427.51/x
  3. Step 3: Cross multiply
    1,223,657,353,942.60x = 1,688,652,398,304.90 × 667,474,601,427.51
  4. Step 4: Simplify right side
    1,223,657,353,942.60x = 1,127,132,586,508,171,935,219,712
  5. Step 5: Solve for x
    x = 1,127,132,586,508,171,935,219,712/1,223,657,353,942.60
  6. Step 6: Final answer
    x = 921,117,813,640.05

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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.