Home / 565,911,897.68-780,950,419.44-318,392,661.44

Finding the Fourth Proportional to 565,911,897.68, 780,950,419.44 and 318,392,661.44

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Solution

The fourth proportional to 565,911,897.68, 780,950,419.44 and 318,392,661.44 is: 439,377,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,911,897.68 : 780,950,419.44 = 318,392,661.44 : x
  2. Step 2: Convert to fraction form
    565,911,897.68/780,950,419.44 = 318,392,661.44/x
  3. Step 3: Cross multiply
    565,911,897.68x = 780,950,419.44 × 318,392,661.44
  4. Step 4: Simplify right side
    565,911,897.68x = 248,648,882,498,185,920
  5. Step 5: Solve for x
    x = 248,648,882,498,185,920/565,911,897.68
  6. Step 6: Final answer
    x = 439,377,372.20

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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.