Home / 648,420,754.32-894,809,958.93-351,060,619.14

Finding the Fourth Proportional to 648,420,754.32, 894,809,958.93 and 351,060,619.14

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Solution

The fourth proportional to 648,420,754.32, 894,809,958.93 and 351,060,619.14 is: 484,457,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,420,754.32 : 894,809,958.93 = 351,060,619.14 : x
  2. Step 2: Convert to fraction form
    648,420,754.32/894,809,958.93 = 351,060,619.14/x
  3. Step 3: Cross multiply
    648,420,754.32x = 894,809,958.93 × 351,060,619.14
  4. Step 4: Simplify right side
    648,420,754.32x = 314,132,538,197,127,104
  5. Step 5: Solve for x
    x = 314,132,538,197,127,104/648,420,754.32
  6. Step 6: Final answer
    x = 484,457,871.07

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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.