Home / 383,243,362.74-528,875,320.95-218,230,932.24

Finding the Fourth Proportional to 383,243,362.74, 528,875,320.95 and 218,230,932.24

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Solution

The fourth proportional to 383,243,362.74, 528,875,320.95 and 218,230,932.24 is: 301,158,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,243,362.74 : 528,875,320.95 = 218,230,932.24 : x
  2. Step 2: Convert to fraction form
    383,243,362.74/528,875,320.95 = 218,230,932.24/x
  3. Step 3: Cross multiply
    383,243,362.74x = 528,875,320.95 × 218,230,932.24
  4. Step 4: Simplify right side
    383,243,362.74x = 115,416,954,329,647,712
  5. Step 5: Solve for x
    x = 115,416,954,329,647,712/383,243,362.74
  6. Step 6: Final answer
    x = 301,158,390.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.