Home / 583,729,396.33-805,564,635.86-319,422,529.39

Finding the Fourth Proportional to 583,729,396.33, 805,564,635.86 and 319,422,529.39

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Solution

The fourth proportional to 583,729,396.33, 805,564,635.86 and 319,422,529.39 is: 440,812,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,729,396.33 : 805,564,635.86 = 319,422,529.39 : x
  2. Step 2: Convert to fraction form
    583,729,396.33/805,564,635.86 = 319,422,529.39/x
  3. Step 3: Cross multiply
    583,729,396.33x = 805,564,635.86 × 319,422,529.39
  4. Step 4: Simplify right side
    583,729,396.33x = 257,315,493,572,320,128
  5. Step 5: Solve for x
    x = 257,315,493,572,320,128/583,729,396.33
  6. Step 6: Final answer
    x = 440,812,978.05

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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.