Home / 1,223,657,353,947.80-1,688,652,398,312.50-667,474,601,432.80

Finding the Fourth Proportional to 1,223,657,353,947.80, 1,688,652,398,312.50 and 667,474,601,432.80

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Solution

The fourth proportional to 1,223,657,353,947.80, 1,688,652,398,312.50 and 667,474,601,432.80 is: 921,117,813,647.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,657,353,947.80 : 1,688,652,398,312.50 = 667,474,601,432.80 : x
  2. Step 2: Convert to fraction form
    1,223,657,353,947.80/1,688,652,398,312.50 = 667,474,601,432.80/x
  3. Step 3: Cross multiply
    1,223,657,353,947.80x = 1,688,652,398,312.50 × 667,474,601,432.80
  4. Step 4: Simplify right side
    1,223,657,353,947.80x = 1,127,132,586,522,177,823,571,968
  5. Step 5: Solve for x
    x = 1,127,132,586,522,177,823,571,968/1,223,657,353,947.80
  6. Step 6: Final answer
    x = 921,117,813,647.58

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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.