Home / 395,768,489.85-546,161,158.50-219,556,489.77

Finding the Fourth Proportional to 395,768,489.85, 546,161,158.50 and 219,556,489.77

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Solution

The fourth proportional to 395,768,489.85, 546,161,158.50 and 219,556,489.77 is: 302,988,312.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,768,489.85 : 546,161,158.50 = 219,556,489.77 : x
  2. Step 2: Convert to fraction form
    395,768,489.85/546,161,158.50 = 219,556,489.77/x
  3. Step 3: Cross multiply
    395,768,489.85x = 546,161,158.50 × 219,556,489.77
  4. Step 4: Simplify right side
    395,768,489.85x = 119,913,226,808,976,608
  5. Step 5: Solve for x
    x = 119,913,226,808,976,608/395,768,489.85
  6. Step 6: Final answer
    x = 302,988,312.32

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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.