Home / 824,795,510.12-1,138,209,801.56-448,452,092.60

Finding the Fourth Proportional to 824,795,510.12, 1,138,209,801.56 and 448,452,092.60

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Solution

The fourth proportional to 824,795,510.12, 1,138,209,801.56 and 448,452,092.60 is: 618,859,536.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,795,510.12 : 1,138,209,801.56 = 448,452,092.60 : x
  2. Step 2: Convert to fraction form
    824,795,510.12/1,138,209,801.56 = 448,452,092.60/x
  3. Step 3: Cross multiply
    824,795,510.12x = 1,138,209,801.56 × 448,452,092.60
  4. Step 4: Simplify right side
    824,795,510.12x = 510,432,567,325,170,560
  5. Step 5: Solve for x
    x = 510,432,567,325,170,560/824,795,510.12
  6. Step 6: Final answer
    x = 618,859,536.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.