Home / 38,191,436,855.22-52,701,808,145.75-21,043,330,508.88

Finding the Fourth Proportional to 38,191,436,855.22, 52,701,808,145.75 and 21,043,330,508.88

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Solution

The fourth proportional to 38,191,436,855.22, 52,701,808,145.75 and 21,043,330,508.88 is: 29,038,487,643.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,191,436,855.22 : 52,701,808,145.75 = 21,043,330,508.88 : x
  2. Step 2: Convert to fraction form
    38,191,436,855.22/52,701,808,145.75 = 21,043,330,508.88/x
  3. Step 3: Cross multiply
    38,191,436,855.22x = 52,701,808,145.75 × 21,043,330,508.88
  4. Step 4: Simplify right side
    38,191,436,855.22x = 1,109,021,567,226,601,537,536
  5. Step 5: Solve for x
    x = 1,109,021,567,226,601,537,536/38,191,436,855.22
  6. Step 6: Final answer
    x = 29,038,487,643.99

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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.