Home / 1,223,657,353,948.80-1,688,652,398,313.90-667,474,601,433.80

Finding the Fourth Proportional to 1,223,657,353,948.80, 1,688,652,398,313.90 and 667,474,601,433.80

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Solution

The fourth proportional to 1,223,657,353,948.80, 1,688,652,398,313.90 and 667,474,601,433.80 is: 921,117,813,648.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,657,353,948.80 : 1,688,652,398,313.90 = 667,474,601,433.80 : x
  2. Step 2: Convert to fraction form
    1,223,657,353,948.80/1,688,652,398,313.90 = 667,474,601,433.80/x
  3. Step 3: Cross multiply
    1,223,657,353,948.80x = 1,688,652,398,313.90 × 667,474,601,433.80
  4. Step 4: Simplify right side
    1,223,657,353,948.80x = 1,127,132,586,524,800,840,630,272
  5. Step 5: Solve for x
    x = 1,127,132,586,524,800,840,630,272/1,223,657,353,948.80
  6. Step 6: Final answer
    x = 921,117,813,648.97

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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.