Home / 547,141,237.22-820,762,308.67-178,678,120.53

Finding the Fourth Proportional to 547,141,237.22, 820,762,308.67 and 178,678,120.53

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Solution

The fourth proportional to 547,141,237.22, 820,762,308.67 and 178,678,120.53 is: 268,033,657.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,141,237.22 : 820,762,308.67 = 178,678,120.53 : x
  2. Step 2: Convert to fraction form
    547,141,237.22/820,762,308.67 = 178,678,120.53/x
  3. Step 3: Cross multiply
    547,141,237.22x = 820,762,308.67 × 178,678,120.53
  4. Step 4: Simplify right side
    547,141,237.22x = 146,652,266,713,360,160
  5. Step 5: Solve for x
    x = 146,652,266,713,360,160/547,141,237.22
  6. Step 6: Final answer
    x = 268,033,657.01

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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.