Home / 1,223,657,353,979.10-1,688,652,398,355.70-667,474,601,464.10

Finding the Fourth Proportional to 1,223,657,353,979.10, 1,688,652,398,355.70 and 667,474,601,464.10

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Solution

The fourth proportional to 1,223,657,353,979.10, 1,688,652,398,355.70 and 667,474,601,464.10 is: 921,117,813,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,657,353,979.10 : 1,688,652,398,355.70 = 667,474,601,464.10 : x
  2. Step 2: Convert to fraction form
    1,223,657,353,979.10/1,688,652,398,355.70 = 667,474,601,464.10/x
  3. Step 3: Cross multiply
    1,223,657,353,979.10x = 1,688,652,398,355.70 × 667,474,601,464.10
  4. Step 4: Simplify right side
    1,223,657,353,979.10x = 1,127,132,586,603,867,430,453,248
  5. Step 5: Solve for x
    x = 1,127,132,586,603,867,430,453,248/1,223,657,353,979.10
  6. Step 6: Final answer
    x = 921,117,813,690.78

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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.