Home / 771,976,824.61-1,065,336,246-419,552,833.81

Finding the Fourth Proportional to 771,976,824.61, 1,065,336,246 and 419,552,833.81

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Solution

The fourth proportional to 771,976,824.61, 1,065,336,246 and 419,552,833.81 is: 578,987,382.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,976,824.61 : 1,065,336,246 = 419,552,833.81 : x
  2. Step 2: Convert to fraction form
    771,976,824.61/1,065,336,246 = 419,552,833.81/x
  3. Step 3: Cross multiply
    771,976,824.61x = 1,065,336,246 × 419,552,833.81
  4. Step 4: Simplify right side
    771,976,824.61x = 446,964,840,969,807,296
  5. Step 5: Solve for x
    x = 446,964,840,969,807,296/771,976,824.61
  6. Step 6: Final answer
    x = 578,987,382.42

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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.