Home / 28,146,748,451.66-38,843,271,390.88-16,560,164,049.28

Finding the Fourth Proportional to 28,146,748,451.66, 38,843,271,390.88 and 16,560,164,049.28

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Solution

The fourth proportional to 28,146,748,451.66, 38,843,271,390.88 and 16,560,164,049.28 is: 22,853,472,668.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,146,748,451.66 : 38,843,271,390.88 = 16,560,164,049.28 : x
  2. Step 2: Convert to fraction form
    28,146,748,451.66/38,843,271,390.88 = 16,560,164,049.28/x
  3. Step 3: Cross multiply
    28,146,748,451.66x = 38,843,271,390.88 × 16,560,164,049.28
  4. Step 4: Simplify right side
    28,146,748,451.66x = 643,250,946,443,616,190,464
  5. Step 5: Solve for x
    x = 643,250,946,443,616,190,464/28,146,748,451.66
  6. Step 6: Final answer
    x = 22,853,472,668.38

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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.