Home / 547,141,206.90-820,762,263.24-178,678,090.32

Finding the Fourth Proportional to 547,141,206.90, 820,762,263.24 and 178,678,090.32

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Solution

The fourth proportional to 547,141,206.90, 820,762,263.24 and 178,678,090.32 is: 268,033,611.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,141,206.90 : 820,762,263.24 = 178,678,090.32 : x
  2. Step 2: Convert to fraction form
    547,141,206.90/820,762,263.24 = 178,678,090.32/x
  3. Step 3: Cross multiply
    547,141,206.90x = 820,762,263.24 × 178,678,090.32
  4. Step 4: Simplify right side
    547,141,206.90x = 146,652,233,802,444,320
  5. Step 5: Solve for x
    x = 146,652,233,802,444,320/547,141,206.90
  6. Step 6: Final answer
    x = 268,033,611.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.