Home / 578,326,311.20-868,161,313.20-348,554,842.40

Finding the Fourth Proportional to 578,326,311.20, 868,161,313.20 and 348,554,842.40

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Solution

The fourth proportional to 578,326,311.20, 868,161,313.20 and 348,554,842.40 is: 523,237,182.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,326,311.20 : 868,161,313.20 = 348,554,842.40 : x
  2. Step 2: Convert to fraction form
    578,326,311.20/868,161,313.20 = 348,554,842.40/x
  3. Step 3: Cross multiply
    578,326,311.20x = 868,161,313.20 × 348,554,842.40
  4. Step 4: Simplify right side
    578,326,311.20x = 302,601,829,700,203,008
  5. Step 5: Solve for x
    x = 302,601,829,700,203,008/578,326,311.20
  6. Step 6: Final answer
    x = 523,237,182.61

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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.