Home / 448,588,470.87-619,026,261.69-250,334,405.82

Finding the Fourth Proportional to 448,588,470.87, 619,026,261.69 and 250,334,405.82

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Solution

The fourth proportional to 448,588,470.87, 619,026,261.69 and 250,334,405.82 is: 345,447,066.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,588,470.87 : 619,026,261.69 = 250,334,405.82 : x
  2. Step 2: Convert to fraction form
    448,588,470.87/619,026,261.69 = 250,334,405.82/x
  3. Step 3: Cross multiply
    448,588,470.87x = 619,026,261.69 × 250,334,405.82
  4. Step 4: Simplify right side
    448,588,470.87x = 154,963,571,407,141,984
  5. Step 5: Solve for x
    x = 154,963,571,407,141,984/448,588,470.87
  6. Step 6: Final answer
    x = 345,447,066.68

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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.