Home / 842,770,801.61-1,163,015,139.48-466,428,120.07

Finding the Fourth Proportional to 842,770,801.61, 1,163,015,139.48 and 466,428,120.07

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Solution

The fourth proportional to 842,770,801.61, 1,163,015,139.48 and 466,428,120.07 is: 643,666,064.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,770,801.61 : 1,163,015,139.48 = 466,428,120.07 : x
  2. Step 2: Convert to fraction form
    842,770,801.61/1,163,015,139.48 = 466,428,120.07/x
  3. Step 3: Cross multiply
    842,770,801.61x = 1,163,015,139.48 × 466,428,120.07
  4. Step 4: Simplify right side
    842,770,801.61x = 542,462,965,120,605,248
  5. Step 5: Solve for x
    x = 542,462,965,120,605,248/842,770,801.61
  6. Step 6: Final answer
    x = 643,666,064.47

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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.