Home / 1,223,657,353,943.20-1,688,652,398,305.90-667,474,601,428.20

Finding the Fourth Proportional to 1,223,657,353,943.20, 1,688,652,398,305.90 and 667,474,601,428.20

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Solution

The fourth proportional to 1,223,657,353,943.20, 1,688,652,398,305.90 and 667,474,601,428.20 is: 921,117,813,641.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,657,353,943.20 : 1,688,652,398,305.90 = 667,474,601,428.20 : x
  2. Step 2: Convert to fraction form
    1,223,657,353,943.20/1,688,652,398,305.90 = 667,474,601,428.20/x
  3. Step 3: Cross multiply
    1,223,657,353,943.20x = 1,688,652,398,305.90 × 667,474,601,428.20
  4. Step 4: Simplify right side
    1,223,657,353,943.20x = 1,127,132,586,510,004,544,077,824
  5. Step 5: Solve for x
    x = 1,127,132,586,510,004,544,077,824/1,223,657,353,943.20
  6. Step 6: Final answer
    x = 921,117,813,641.09

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Double scale
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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.