Home / 705,924,219.69-1,057,659,198.65-495,388,387.05

Finding the Fourth Proportional to 705,924,219.69, 1,057,659,198.65 and 495,388,387.05

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Solution

The fourth proportional to 705,924,219.69, 1,057,659,198.65 and 495,388,387.05 is: 742,221,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,924,219.69 : 1,057,659,198.65 = 495,388,387.05 : x
  2. Step 2: Convert to fraction form
    705,924,219.69/1,057,659,198.65 = 495,388,387.05/x
  3. Step 3: Cross multiply
    705,924,219.69x = 1,057,659,198.65 × 495,388,387.05
  4. Step 4: Simplify right side
    705,924,219.69x = 523,952,084,467,819,008
  5. Step 5: Solve for x
    x = 523,952,084,467,819,008/705,924,219.69
  6. Step 6: Final answer
    x = 742,221,430.93

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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.