Home / 578,583,337.91-798,451,476.71-340,481,162.34

Finding the Fourth Proportional to 578,583,337.91, 798,451,476.71 and 340,481,162.34

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Solution

The fourth proportional to 578,583,337.91, 798,451,476.71 and 340,481,162.34 is: 469,867,811.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,583,337.91 : 798,451,476.71 = 340,481,162.34 : x
  2. Step 2: Convert to fraction form
    578,583,337.91/798,451,476.71 = 340,481,162.34/x
  3. Step 3: Cross multiply
    578,583,337.91x = 798,451,476.71 × 340,481,162.34
  4. Step 4: Simplify right side
    578,583,337.91x = 271,857,686,860,607,840
  5. Step 5: Solve for x
    x = 271,857,686,860,607,840/578,583,337.91
  6. Step 6: Final answer
    x = 469,867,811.69

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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.