Home / 1,172,665,017.89-1,759,295,261.67-542,851,133.43

Finding the Fourth Proportional to 1,172,665,017.89, 1,759,295,261.67 and 542,851,133.43

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Solution

The fourth proportional to 1,172,665,017.89, 1,759,295,261.67 and 542,851,133.43 is: 814,414,527.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,665,017.89 : 1,759,295,261.67 = 542,851,133.43 : x
  2. Step 2: Convert to fraction form
    1,172,665,017.89/1,759,295,261.67 = 542,851,133.43/x
  3. Step 3: Cross multiply
    1,172,665,017.89x = 1,759,295,261.67 × 542,851,133.43
  4. Step 4: Simplify right side
    1,172,665,017.89x = 955,035,426,835,587,840
  5. Step 5: Solve for x
    x = 955,035,426,835,587,840/1,172,665,017.89
  6. Step 6: Final answer
    x = 814,414,527.82

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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.