Home / 499,602,925.25-689,524,189.07-287,869,219.28

Finding the Fourth Proportional to 499,602,925.25, 689,524,189.07 and 287,869,219.28

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Solution

The fourth proportional to 499,602,925.25, 689,524,189.07 and 287,869,219.28 is: 397,301,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,602,925.25 : 689,524,189.07 = 287,869,219.28 : x
  2. Step 2: Convert to fraction form
    499,602,925.25/689,524,189.07 = 287,869,219.28/x
  3. Step 3: Cross multiply
    499,602,925.25x = 689,524,189.07 × 287,869,219.28
  4. Step 4: Simplify right side
    499,602,925.25x = 198,492,789,982,256,000
  5. Step 5: Solve for x
    x = 198,492,789,982,256,000/499,602,925.25
  6. Step 6: Final answer
    x = 397,301,096.43

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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.