Home / 842,770,808.52-1,163,015,149.04-466,428,126.98

Finding the Fourth Proportional to 842,770,808.52, 1,163,015,149.04 and 466,428,126.98

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Solution

The fourth proportional to 842,770,808.52, 1,163,015,149.04 and 466,428,126.98 is: 643,666,074.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,770,808.52 : 1,163,015,149.04 = 466,428,126.98 : x
  2. Step 2: Convert to fraction form
    842,770,808.52/1,163,015,149.04 = 466,428,126.98/x
  3. Step 3: Cross multiply
    842,770,808.52x = 1,163,015,149.04 × 466,428,126.98
  4. Step 4: Simplify right side
    842,770,808.52x = 542,462,977,616,092,736
  5. Step 5: Solve for x
    x = 542,462,977,616,092,736/842,770,808.52
  6. Step 6: Final answer
    x = 643,666,074.02

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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.