Home / 425,489,316.25-636,924,950.31-277,618,474.46

Finding the Fourth Proportional to 425,489,316.25, 636,924,950.31 and 277,618,474.46

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Solution

The fourth proportional to 425,489,316.25, 636,924,950.31 and 277,618,474.46 is: 415,573,614.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,489,316.25 : 636,924,950.31 = 277,618,474.46 : x
  2. Step 2: Convert to fraction form
    425,489,316.25/636,924,950.31 = 277,618,474.46/x
  3. Step 3: Cross multiply
    425,489,316.25x = 636,924,950.31 × 277,618,474.46
  4. Step 4: Simplify right side
    425,489,316.25x = 176,822,133,050,199,008
  5. Step 5: Solve for x
    x = 176,822,133,050,199,008/425,489,316.25
  6. Step 6: Final answer
    x = 415,573,614.42

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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.