Home / 378,434,667.90-567,652,001.85-337,619,999.10

Finding the Fourth Proportional to 378,434,667.90, 567,652,001.85 and 337,619,999.10

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Solution

The fourth proportional to 378,434,667.90, 567,652,001.85 and 337,619,999.10 is: 506,429,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,434,667.90 : 567,652,001.85 = 337,619,999.10 : x
  2. Step 2: Convert to fraction form
    378,434,667.90/567,652,001.85 = 337,619,999.10/x
  3. Step 3: Cross multiply
    378,434,667.90x = 567,652,001.85 × 337,619,999.10
  4. Step 4: Simplify right side
    378,434,667.90x = 191,650,668,353,710,208
  5. Step 5: Solve for x
    x = 191,650,668,353,710,208/378,434,667.90
  6. Step 6: Final answer
    x = 506,429,998.65

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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.