Home / 467,492,491.32-645,158,628.18-258,645,232.50

Finding the Fourth Proportional to 467,492,491.32, 645,158,628.18 and 258,645,232.50

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Solution

The fourth proportional to 467,492,491.32, 645,158,628.18 and 258,645,232.50 is: 356,940,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,492,491.32 : 645,158,628.18 = 258,645,232.50 : x
  2. Step 2: Convert to fraction form
    467,492,491.32/645,158,628.18 = 258,645,232.50/x
  3. Step 3: Cross multiply
    467,492,491.32x = 645,158,628.18 × 258,645,232.50
  4. Step 4: Simplify right side
    467,492,491.32x = 166,867,203,384,997,152
  5. Step 5: Solve for x
    x = 166,867,203,384,997,152/467,492,491.32
  6. Step 6: Final answer
    x = 356,940,927.36

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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.