Home / 359,348,915-495,902,996.82-194,336,484.48

Finding the Fourth Proportional to 359,348,915, 495,902,996.82 and 194,336,484.48

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Solution

The fourth proportional to 359,348,915, 495,902,996.82 and 194,336,484.48 is: 268,185,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,348,915 : 495,902,996.82 = 194,336,484.48 : x
  2. Step 2: Convert to fraction form
    359,348,915/495,902,996.82 = 194,336,484.48/x
  3. Step 3: Cross multiply
    359,348,915x = 495,902,996.82 × 194,336,484.48
  4. Step 4: Simplify right side
    359,348,915x = 96,372,045,045,095,408
  5. Step 5: Solve for x
    x = 96,372,045,045,095,408/359,348,915
  6. Step 6: Final answer
    x = 268,185,156.60

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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.