Home / 723,168,014.40-1,084,752,021.60-238,468,161.60

Finding the Fourth Proportional to 723,168,014.40, 1,084,752,021.60 and 238,468,161.60

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Solution

The fourth proportional to 723,168,014.40, 1,084,752,021.60 and 238,468,161.60 is: 357,702,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,168,014.40 : 1,084,752,021.60 = 238,468,161.60 : x
  2. Step 2: Convert to fraction form
    723,168,014.40/1,084,752,021.60 = 238,468,161.60/x
  3. Step 3: Cross multiply
    723,168,014.40x = 1,084,752,021.60 × 238,468,161.60
  4. Step 4: Simplify right side
    723,168,014.40x = 258,678,820,382,835,456
  5. Step 5: Solve for x
    x = 258,678,820,382,835,456/723,168,014.40
  6. Step 6: Final answer
    x = 357,702,242.40

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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.