Home / 583,705,816-805,524,290.40-319,410,928.96

Finding the Fourth Proportional to 583,705,816, 805,524,290.40 and 319,410,928.96

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Solution

The fourth proportional to 583,705,816, 805,524,290.40 and 319,410,928.96 is: 440,792,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,705,816 : 805,524,290.40 = 319,410,928.96 : x
  2. Step 2: Convert to fraction form
    583,705,816/805,524,290.40 = 319,410,928.96/x
  3. Step 3: Cross multiply
    583,705,816x = 805,524,290.40 × 319,410,928.96
  4. Step 4: Simplify right side
    583,705,816x = 257,293,261,896,508,800
  5. Step 5: Solve for x
    x = 257,293,261,896,508,800/583,705,816
  6. Step 6: Final answer
    x = 440,792,698.73

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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.