Home / 1,223,657,353,960.40-1,688,652,398,329.80-667,474,601,445.40

Finding the Fourth Proportional to 1,223,657,353,960.40, 1,688,652,398,329.80 and 667,474,601,445.40

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Solution

The fourth proportional to 1,223,657,353,960.40, 1,688,652,398,329.80 and 667,474,601,445.40 is: 921,117,813,664.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,657,353,960.40 : 1,688,652,398,329.80 = 667,474,601,445.40 : x
  2. Step 2: Convert to fraction form
    1,223,657,353,960.40/1,688,652,398,329.80 = 667,474,601,445.40/x
  3. Step 3: Cross multiply
    1,223,657,353,960.40x = 1,688,652,398,329.80 × 667,474,601,445.40
  4. Step 4: Simplify right side
    1,223,657,353,960.40x = 1,127,132,586,555,002,111,131,648
  5. Step 5: Solve for x
    x = 1,127,132,586,555,002,111,131,648/1,223,657,353,960.40
  6. Step 6: Final answer
    x = 921,117,813,664.92

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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.