Home / 516,654,016.40-774,104,045.40-311,751,539.60

Finding the Fourth Proportional to 516,654,016.40, 774,104,045.40 and 311,751,539.60

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Solution

The fourth proportional to 516,654,016.40, 774,104,045.40 and 311,751,539.60 is: 467,098,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,654,016.40 : 774,104,045.40 = 311,751,539.60 : x
  2. Step 2: Convert to fraction form
    516,654,016.40/774,104,045.40 = 311,751,539.60/x
  3. Step 3: Cross multiply
    516,654,016.40x = 774,104,045.40 × 311,751,539.60
  4. Step 4: Simplify right side
    516,654,016.40x = 241,328,127,964,038,304
  5. Step 5: Solve for x
    x = 241,328,127,964,038,304/516,654,016.40
  6. Step 6: Final answer
    x = 467,098,135.90

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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.