Home / 378,358,650.69-522,134,707.01-204,518,394.69

Finding the Fourth Proportional to 378,358,650.69, 522,134,707.01 and 204,518,394.69

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Solution

The fourth proportional to 378,358,650.69, 522,134,707.01 and 204,518,394.69 is: 282,235,259.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,358,650.69 : 522,134,707.01 = 204,518,394.69 : x
  2. Step 2: Convert to fraction form
    378,358,650.69/522,134,707.01 = 204,518,394.69/x
  3. Step 3: Cross multiply
    378,358,650.69x = 522,134,707.01 × 204,518,394.69
  4. Step 4: Simplify right side
    378,358,650.69x = 106,786,152,088,596,096
  5. Step 5: Solve for x
    x = 106,786,152,088,596,096/378,358,650.69
  6. Step 6: Final answer
    x = 282,235,259.84

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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.