Home / 583,642,488.47-805,425,690.38-319,325,546.75

Finding the Fourth Proportional to 583,642,488.47, 805,425,690.38 and 319,325,546.75

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Solution

The fourth proportional to 583,642,488.47, 805,425,690.38 and 319,325,546.75 is: 440,668,738.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,642,488.47 : 805,425,690.38 = 319,325,546.75 : x
  2. Step 2: Convert to fraction form
    583,642,488.47/805,425,690.38 = 319,325,546.75/x
  3. Step 3: Cross multiply
    583,642,488.47x = 805,425,690.38 × 319,325,546.75
  4. Step 4: Simplify right side
    583,642,488.47x = 257,192,998,941,465,952
  5. Step 5: Solve for x
    x = 257,192,998,941,465,952/583,642,488.47
  6. Step 6: Final answer
    x = 440,668,738.18

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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.