Home / 443,698,623.62-612,285,705.96-242,754,512.12

Finding the Fourth Proportional to 443,698,623.62, 612,285,705.96 and 242,754,512.12

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Solution

The fourth proportional to 443,698,623.62, 612,285,705.96 and 242,754,512.12 is: 334,991,162.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,698,623.62 : 612,285,705.96 = 242,754,512.12 : x
  2. Step 2: Convert to fraction form
    443,698,623.62/612,285,705.96 = 242,754,512.12/x
  3. Step 3: Cross multiply
    443,698,623.62x = 612,285,705.96 × 242,754,512.12
  4. Step 4: Simplify right side
    443,698,623.62x = 148,635,117,828,369,600
  5. Step 5: Solve for x
    x = 148,635,117,828,369,600/443,698,623.62
  6. Step 6: Final answer
    x = 334,991,162.73

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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.