Home / 437,579,131.76-604,045,135.32-272,648,188.88

Finding the Fourth Proportional to 437,579,131.76, 604,045,135.32 and 272,648,188.88

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Solution

The fourth proportional to 437,579,131.76, 604,045,135.32 and 272,648,188.88 is: 376,370,352.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,579,131.76 : 604,045,135.32 = 272,648,188.88 : x
  2. Step 2: Convert to fraction form
    437,579,131.76/604,045,135.32 = 272,648,188.88/x
  3. Step 3: Cross multiply
    437,579,131.76x = 604,045,135.32 × 272,648,188.88
  4. Step 4: Simplify right side
    437,579,131.76x = 164,691,812,146,772,544
  5. Step 5: Solve for x
    x = 164,691,812,146,772,544/437,579,131.76
  6. Step 6: Final answer
    x = 376,370,352.68

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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.