Home / 12,331,889,393.68-17,016,063,503.83-7,182,784,291.52

Finding the Fourth Proportional to 12,331,889,393.68, 17,016,063,503.83 and 7,182,784,291.52

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Solution

The fourth proportional to 12,331,889,393.68, 17,016,063,503.83 and 7,182,784,291.52 is: 9,911,110,109.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331,889,393.68 : 17,016,063,503.83 = 7,182,784,291.52 : x
  2. Step 2: Convert to fraction form
    12,331,889,393.68/17,016,063,503.83 = 7,182,784,291.52/x
  3. Step 3: Cross multiply
    12,331,889,393.68x = 17,016,063,503.83 × 7,182,784,291.52
  4. Step 4: Simplify right side
    12,331,889,393.68x = 122,222,713,638,695,911,424
  5. Step 5: Solve for x
    x = 122,222,713,638,695,911,424/12,331,889,393.68
  6. Step 6: Final answer
    x = 9,911,110,109.48

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1.5x scale

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.