Home / 38,191,436,823.27-52,701,808,101.59-21,043,330,476.98

Finding the Fourth Proportional to 38,191,436,823.27, 52,701,808,101.59 and 21,043,330,476.98

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Solution

The fourth proportional to 38,191,436,823.27, 52,701,808,101.59 and 21,043,330,476.98 is: 29,038,487,599.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,191,436,823.27 : 52,701,808,101.59 = 21,043,330,476.98 : x
  2. Step 2: Convert to fraction form
    38,191,436,823.27/52,701,808,101.59 = 21,043,330,476.98/x
  3. Step 3: Cross multiply
    38,191,436,823.27x = 52,701,808,101.59 × 21,043,330,476.98
  4. Step 4: Simplify right side
    38,191,436,823.27x = 1,109,021,564,615,918,878,720
  5. Step 5: Solve for x
    x = 1,109,021,564,615,918,878,720/38,191,436,823.27
  6. Step 6: Final answer
    x = 29,038,487,599.92

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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.