Home / 721,312,509,863.58-995,503,096,380.15-436,173,070,693.02

Finding the Fourth Proportional to 721,312,509,863.58, 995,503,096,380.15 and 436,173,070,693.02

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Solution

The fourth proportional to 721,312,509,863.58, 995,503,096,380.15 and 436,173,070,693.02 is: 601,974,368,245.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,312,509,863.58 : 995,503,096,380.15 = 436,173,070,693.02 : x
  2. Step 2: Convert to fraction form
    721,312,509,863.58/995,503,096,380.15 = 436,173,070,693.02/x
  3. Step 3: Cross multiply
    721,312,509,863.58x = 995,503,096,380.15 × 436,173,070,693.02
  4. Step 4: Simplify right side
    721,312,509,863.58x = 434,211,642,432,539,504,672,768
  5. Step 5: Solve for x
    x = 434,211,642,432,539,504,672,768/721,312,509,863.58
  6. Step 6: Final answer
    x = 601,974,368,245.27

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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.