Home / 502,686,028.40-754,029,042.60-260,821,324.40

Finding the Fourth Proportional to 502,686,028.40, 754,029,042.60 and 260,821,324.40

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Solution

The fourth proportional to 502,686,028.40, 754,029,042.60 and 260,821,324.40 is: 391,231,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,686,028.40 : 754,029,042.60 = 260,821,324.40 : x
  2. Step 2: Convert to fraction form
    502,686,028.40/754,029,042.60 = 260,821,324.40/x
  3. Step 3: Cross multiply
    502,686,028.40x = 754,029,042.60 × 260,821,324.40
  4. Step 4: Simplify right side
    502,686,028.40x = 196,666,853,526,996,032
  5. Step 5: Solve for x
    x = 196,666,853,526,996,032/502,686,028.40
  6. Step 6: Final answer
    x = 391,231,986.60

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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.