Home / 38,191,436,854.22-52,701,808,144.37-21,043,330,507.88

Finding the Fourth Proportional to 38,191,436,854.22, 52,701,808,144.37 and 21,043,330,507.88

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Solution

The fourth proportional to 38,191,436,854.22, 52,701,808,144.37 and 21,043,330,507.88 is: 29,038,487,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,191,436,854.22 : 52,701,808,144.37 = 21,043,330,507.88 : x
  2. Step 2: Convert to fraction form
    38,191,436,854.22/52,701,808,144.37 = 21,043,330,507.88/x
  3. Step 3: Cross multiply
    38,191,436,854.22x = 52,701,808,144.37 × 21,043,330,507.88
  4. Step 4: Simplify right side
    38,191,436,854.22x = 1,109,021,567,144,596,471,808
  5. Step 5: Solve for x
    x = 1,109,021,567,144,596,471,808/38,191,436,854.22
  6. Step 6: Final answer
    x = 29,038,487,642.60

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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.