Home / 583,729,386.55-805,564,622.42-319,422,519.61

Finding the Fourth Proportional to 583,729,386.55, 805,564,622.42 and 319,422,519.61

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Solution

The fourth proportional to 583,729,386.55, 805,564,622.42 and 319,422,519.61 is: 440,812,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,729,386.55 : 805,564,622.42 = 319,422,519.61 : x
  2. Step 2: Convert to fraction form
    583,729,386.55/805,564,622.42 = 319,422,519.61/x
  3. Step 3: Cross multiply
    583,729,386.55x = 805,564,622.42 × 319,422,519.61
  4. Step 4: Simplify right side
    583,729,386.55x = 257,315,481,400,859,360
  5. Step 5: Solve for x
    x = 257,315,481,400,859,360/583,729,386.55
  6. Step 6: Final answer
    x = 440,812,964.59

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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.