Home / 714,837,932,498.40-986,440,694,040.84-406,148,517,118.02

Finding the Fourth Proportional to 714,837,932,498.40, 986,440,694,040.84 and 406,148,517,118.02

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Solution

The fourth proportional to 714,837,932,498.40, 986,440,694,040.84 and 406,148,517,118.02 is: 560,464,696,814.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,837,932,498.40 : 986,440,694,040.84 = 406,148,517,118.02 : x
  2. Step 2: Convert to fraction form
    714,837,932,498.40/986,440,694,040.84 = 406,148,517,118.02/x
  3. Step 3: Cross multiply
    714,837,932,498.40x = 986,440,694,040.84 × 406,148,517,118.02
  4. Step 4: Simplify right side
    714,837,932,498.40x = 400,641,425,109,557,620,768,768
  5. Step 5: Solve for x
    x = 400,641,425,109,557,620,768,768/714,837,932,498.40
  6. Step 6: Final answer
    x = 560,464,696,814.97

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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.