Home / 499,602,925.26-689,524,189.08-287,869,219.29

Finding the Fourth Proportional to 499,602,925.26, 689,524,189.08 and 287,869,219.29

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Solution

The fourth proportional to 499,602,925.26, 689,524,189.08 and 287,869,219.29 is: 397,301,096.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,602,925.26 : 689,524,189.08 = 287,869,219.29 : x
  2. Step 2: Convert to fraction form
    499,602,925.26/689,524,189.08 = 287,869,219.29/x
  3. Step 3: Cross multiply
    499,602,925.26x = 689,524,189.08 × 287,869,219.29
  4. Step 4: Simplify right side
    499,602,925.26x = 198,492,789,992,029,984
  5. Step 5: Solve for x
    x = 198,492,789,992,029,984/499,602,925.26
  6. Step 6: Final answer
    x = 397,301,096.44

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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.