Home / 862,923,989.55-1,190,834,591.96-466,446,984.56

Finding the Fourth Proportional to 862,923,989.55, 1,190,834,591.96 and 466,446,984.56

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Solution

The fourth proportional to 862,923,989.55, 1,190,834,591.96 and 466,446,984.56 is: 643,696,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,923,989.55 : 1,190,834,591.96 = 466,446,984.56 : x
  2. Step 2: Convert to fraction form
    862,923,989.55/1,190,834,591.96 = 466,446,984.56/x
  3. Step 3: Cross multiply
    862,923,989.55x = 1,190,834,591.96 × 466,446,984.56
  4. Step 4: Simplify right side
    862,923,989.55x = 555,461,204,529,480,064
  5. Step 5: Solve for x
    x = 555,461,204,529,480,064/862,923,989.55
  6. Step 6: Final answer
    x = 643,696,561.06

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Double scale
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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.