Home / 1,223,657,353,943.10-1,688,652,398,305.70-667,474,601,428.01

Finding the Fourth Proportional to 1,223,657,353,943.10, 1,688,652,398,305.70 and 667,474,601,428.01

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Solution

The fourth proportional to 1,223,657,353,943.10, 1,688,652,398,305.70 and 667,474,601,428.01 is: 921,117,813,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,657,353,943.10 : 1,688,652,398,305.70 = 667,474,601,428.01 : x
  2. Step 2: Convert to fraction form
    1,223,657,353,943.10/1,688,652,398,305.70 = 667,474,601,428.01/x
  3. Step 3: Cross multiply
    1,223,657,353,943.10x = 1,688,652,398,305.70 × 667,474,601,428.01
  4. Step 4: Simplify right side
    1,223,657,353,943.10x = 1,127,132,586,509,550,217,068,544
  5. Step 5: Solve for x
    x = 1,127,132,586,509,550,217,068,544/1,223,657,353,943.10
  6. Step 6: Final answer
    x = 921,117,813,640.80

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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.