Home / 12,331,889,393.18-17,016,063,503.14-7,182,784,291.01

Finding the Fourth Proportional to 12,331,889,393.18, 17,016,063,503.14 and 7,182,784,291.01

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Solution

The fourth proportional to 12,331,889,393.18, 17,016,063,503.14 and 7,182,784,291.01 is: 9,911,110,108.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331,889,393.18 : 17,016,063,503.14 = 7,182,784,291.01 : x
  2. Step 2: Convert to fraction form
    12,331,889,393.18/17,016,063,503.14 = 7,182,784,291.01/x
  3. Step 3: Cross multiply
    12,331,889,393.18x = 17,016,063,503.14 × 7,182,784,291.01
  4. Step 4: Simplify right side
    12,331,889,393.18x = 122,222,713,625,203,556,352
  5. Step 5: Solve for x
    x = 122,222,713,625,203,556,352/12,331,889,393.18
  6. Step 6: Final answer
    x = 9,911,110,108.79

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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.