Home / 988,766,933.80-1,483,150,400.70-298,602,221.80

Finding the Fourth Proportional to 988,766,933.80, 1,483,150,400.70 and 298,602,221.80

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Solution

The fourth proportional to 988,766,933.80, 1,483,150,400.70 and 298,602,221.80 is: 447,903,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,766,933.80 : 1,483,150,400.70 = 298,602,221.80 : x
  2. Step 2: Convert to fraction form
    988,766,933.80/1,483,150,400.70 = 298,602,221.80/x
  3. Step 3: Cross multiply
    988,766,933.80x = 1,483,150,400.70 × 298,602,221.80
  4. Step 4: Simplify right side
    988,766,933.80x = 442,872,004,912,580,288
  5. Step 5: Solve for x
    x = 442,872,004,912,580,288/988,766,933.80
  6. Step 6: Final answer
    x = 447,903,332.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.