Home / 467,636,977.82-645,312,771.90-255,943,375.58

Finding the Fourth Proportional to 467,636,977.82, 645,312,771.90 and 255,943,375.58

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Solution

The fourth proportional to 467,636,977.82, 645,312,771.90 and 255,943,375.58 is: 353,187,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,636,977.82 : 645,312,771.90 = 255,943,375.58 : x
  2. Step 2: Convert to fraction form
    467,636,977.82/645,312,771.90 = 255,943,375.58/x
  3. Step 3: Cross multiply
    467,636,977.82x = 645,312,771.90 × 255,943,375.58
  4. Step 4: Simplify right side
    467,636,977.82x = 165,163,529,141,745,984
  5. Step 5: Solve for x
    x = 165,163,529,141,745,984/467,636,977.82
  6. Step 6: Final answer
    x = 353,187,487.25

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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.