Home / 684,729,125.55-944,825,384.22-383,298,770.48

Finding the Fourth Proportional to 684,729,125.55, 944,825,384.22 and 383,298,770.48

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Solution

The fourth proportional to 684,729,125.55, 944,825,384.22 and 383,298,770.48 is: 528,895,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,729,125.55 : 944,825,384.22 = 383,298,770.48 : x
  2. Step 2: Convert to fraction form
    684,729,125.55/944,825,384.22 = 383,298,770.48/x
  3. Step 3: Cross multiply
    684,729,125.55x = 944,825,384.22 × 383,298,770.48
  4. Step 4: Simplify right side
    684,729,125.55x = 362,150,408,085,095,488
  5. Step 5: Solve for x
    x = 362,150,408,085,095,488/684,729,125.55
  6. Step 6: Final answer
    x = 528,895,872.21

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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.