Home / 932,212,883,072.50-1,286,440,087,736.20-520,687,367,437.95

Finding the Fourth Proportional to 932,212,883,072.50, 1,286,440,087,736.20 and 520,687,367,437.95

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Solution

The fourth proportional to 932,212,883,072.50, 1,286,440,087,736.20 and 520,687,367,437.95 is: 718,540,920,012.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,212,883,072.50 : 1,286,440,087,736.20 = 520,687,367,437.95 : x
  2. Step 2: Convert to fraction form
    932,212,883,072.50/1,286,440,087,736.20 = 520,687,367,437.95/x
  3. Step 3: Cross multiply
    932,212,883,072.50x = 1,286,440,087,736.20 × 520,687,367,437.95
  4. Step 4: Simplify right side
    932,212,883,072.50x = 669,833,102,650,007,403,626,496
  5. Step 5: Solve for x
    x = 669,833,102,650,007,403,626,496/932,212,883,072.50
  6. Step 6: Final answer
    x = 718,540,920,012.06

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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.