Home / 696,805,899.45-961,555,549.82-383,480,226.87

Finding the Fourth Proportional to 696,805,899.45, 961,555,549.82 and 383,480,226.87

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Solution

The fourth proportional to 696,805,899.45, 961,555,549.82 and 383,480,226.87 is: 529,182,575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,805,899.45 : 961,555,549.82 = 383,480,226.87 : x
  2. Step 2: Convert to fraction form
    696,805,899.45/961,555,549.82 = 383,480,226.87/x
  3. Step 3: Cross multiply
    696,805,899.45x = 961,555,549.82 × 383,480,226.87
  4. Step 4: Simplify right side
    696,805,899.45x = 368,737,540,391,163,840
  5. Step 5: Solve for x
    x = 368,737,540,391,163,840/696,805,899.45
  6. Step 6: Final answer
    x = 529,182,575.35

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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.