Home / 386,605,999.08-533,628,701.69-252,664,064.67

Finding the Fourth Proportional to 386,605,999.08, 533,628,701.69 and 252,664,064.67

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Solution

The fourth proportional to 386,605,999.08, 533,628,701.69 and 252,664,064.67 is: 348,749,882.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,605,999.08 : 533,628,701.69 = 252,664,064.67 : x
  2. Step 2: Convert to fraction form
    386,605,999.08/533,628,701.69 = 252,664,064.67/x
  3. Step 3: Cross multiply
    386,605,999.08x = 533,628,701.69 × 252,664,064.67
  4. Step 4: Simplify right side
    386,605,999.08x = 134,828,796,795,735,648
  5. Step 5: Solve for x
    x = 134,828,796,795,735,648/386,605,999.08
  6. Step 6: Final answer
    x = 348,749,882.61

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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.