Home / 38,345,800,553.55-52,912,621,144.02-21,196,337,067.72

Finding the Fourth Proportional to 38,345,800,553.55, 52,912,621,144.02 and 21,196,337,067.72

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Solution

The fourth proportional to 38,345,800,553.55, 52,912,621,144.02 and 21,196,337,067.72 is: 29,248,411,474.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,345,800,553.55 : 52,912,621,144.02 = 21,196,337,067.72 : x
  2. Step 2: Convert to fraction form
    38,345,800,553.55/52,912,621,144.02 = 21,196,337,067.72/x
  3. Step 3: Cross multiply
    38,345,800,553.55x = 52,912,621,144.02 × 21,196,337,067.72
  4. Step 4: Simplify right side
    38,345,800,553.55x = 1,121,553,752,905,216,163,840
  5. Step 5: Solve for x
    x = 1,121,553,752,905,216,163,840/38,345,800,553.55
  6. Step 6: Final answer
    x = 29,248,411,474.39

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Double scale
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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.