Home / 714,837,932,500.40-986,440,694,043.60-406,148,517,120.02

Finding the Fourth Proportional to 714,837,932,500.40, 986,440,694,043.60 and 406,148,517,120.02

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Solution

The fourth proportional to 714,837,932,500.40, 986,440,694,043.60 and 406,148,517,120.02 is: 560,464,696,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,837,932,500.40 : 986,440,694,043.60 = 406,148,517,120.02 : x
  2. Step 2: Convert to fraction form
    714,837,932,500.40/986,440,694,043.60 = 406,148,517,120.02/x
  3. Step 3: Cross multiply
    714,837,932,500.40x = 986,440,694,043.60 × 406,148,517,120.02
  4. Step 4: Simplify right side
    714,837,932,500.40x = 400,641,425,112,651,473,616,896
  5. Step 5: Solve for x
    x = 400,641,425,112,651,473,616,896/714,837,932,500.40
  6. Step 6: Final answer
    x = 560,464,696,817.73

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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.