Home / 923,623,259.88-1,274,116,861.56-571,086,558.12

Finding the Fourth Proportional to 923,623,259.88, 1,274,116,861.56 and 571,086,558.12

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Solution

The fourth proportional to 923,623,259.88, 1,274,116,861.56 and 571,086,558.12 is: 787,800,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,623,259.88 : 1,274,116,861.56 = 571,086,558.12 : x
  2. Step 2: Convert to fraction form
    923,623,259.88/1,274,116,861.56 = 571,086,558.12/x
  3. Step 3: Cross multiply
    923,623,259.88x = 1,274,116,861.56 × 571,086,558.12
  4. Step 4: Simplify right side
    923,623,259.88x = 727,631,013,110,956,928
  5. Step 5: Solve for x
    x = 727,631,013,110,956,928/923,623,259.88
  6. Step 6: Final answer
    x = 787,800,659.34

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Half scale
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Double scale
Find fourth proportional to 923,623,260.88, 1,274,116,862.94 and 571,086,559.12
Similar ratio
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1.5x scale

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.