Home / 468,018,498.80-702,027,748.20-238,435,986.80

Finding the Fourth Proportional to 468,018,498.80, 702,027,748.20 and 238,435,986.80

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Solution

The fourth proportional to 468,018,498.80, 702,027,748.20 and 238,435,986.80 is: 357,653,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,018,498.80 : 702,027,748.20 = 238,435,986.80 : x
  2. Step 2: Convert to fraction form
    468,018,498.80/702,027,748.20 = 238,435,986.80/x
  3. Step 3: Cross multiply
    468,018,498.80x = 702,027,748.20 × 238,435,986.80
  4. Step 4: Simplify right side
    468,018,498.80x = 167,388,678,903,048,928
  5. Step 5: Solve for x
    x = 167,388,678,903,048,928/468,018,498.80
  6. Step 6: Final answer
    x = 357,653,980.20

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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.