Home / 794,352,013.20-1,191,528,019.80-612,953,485.20

Finding the Fourth Proportional to 794,352,013.20, 1,191,528,019.80 and 612,953,485.20

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Solution

The fourth proportional to 794,352,013.20, 1,191,528,019.80 and 612,953,485.20 is: 919,430,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,352,013.20 : 1,191,528,019.80 = 612,953,485.20 : x
  2. Step 2: Convert to fraction form
    794,352,013.20/1,191,528,019.80 = 612,953,485.20/x
  3. Step 3: Cross multiply
    794,352,013.20x = 1,191,528,019.80 × 612,953,485.20
  4. Step 4: Simplify right side
    794,352,013.20x = 730,351,252,449,864,576
  5. Step 5: Solve for x
    x = 730,351,252,449,864,576/794,352,013.20
  6. Step 6: Final answer
    x = 919,430,227.80

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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.