Home / 509,052,017.73-763,573,147.53-301,641,127.22

Finding the Fourth Proportional to 509,052,017.73, 763,573,147.53 and 301,641,127.22

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Solution

The fourth proportional to 509,052,017.73, 763,573,147.53 and 301,641,127.22 is: 452,458,799.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,052,017.73 : 763,573,147.53 = 301,641,127.22 : x
  2. Step 2: Convert to fraction form
    509,052,017.73/763,573,147.53 = 301,641,127.22/x
  3. Step 3: Cross multiply
    509,052,017.73x = 763,573,147.53 × 301,641,127.22
  4. Step 4: Simplify right side
    509,052,017.73x = 230,325,064,935,872,576
  5. Step 5: Solve for x
    x = 230,325,064,935,872,576/509,052,017.73
  6. Step 6: Final answer
    x = 452,458,799.72

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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.