Home / 462,279,018.69-693,656,929.26-216,660,607.02

Finding the Fourth Proportional to 462,279,018.69, 693,656,929.26 and 216,660,607.02

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Solution

The fourth proportional to 462,279,018.69, 693,656,929.26 and 216,660,607.02 is: 325,102,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,279,018.69 : 693,656,929.26 = 216,660,607.02 : x
  2. Step 2: Convert to fraction form
    462,279,018.69/693,656,929.26 = 216,660,607.02/x
  3. Step 3: Cross multiply
    462,279,018.69x = 693,656,929.26 × 216,660,607.02
  4. Step 4: Simplify right side
    462,279,018.69x = 150,288,131,357,100,800
  5. Step 5: Solve for x
    x = 150,288,131,357,100,800/462,279,018.69
  6. Step 6: Final answer
    x = 325,102,644.25

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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.