Home / 48,228,969,042.99-72,351,695,412.70-19,883,405,420.78

Finding the Fourth Proportional to 48,228,969,042.99, 72,351,695,412.70 and 19,883,405,420.78

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Solution

The fourth proportional to 48,228,969,042.99, 72,351,695,412.70 and 19,883,405,420.78 is: 29,828,506,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,228,969,042.99 : 72,351,695,412.70 = 19,883,405,420.78 : x
  2. Step 2: Convert to fraction form
    48,228,969,042.99/72,351,695,412.70 = 19,883,405,420.78/x
  3. Step 3: Cross multiply
    48,228,969,042.99x = 72,351,695,412.70 × 19,883,405,420.78
  4. Step 4: Simplify right side
    48,228,969,042.99x = 1,438,598,092,771,502,587,904
  5. Step 5: Solve for x
    x = 1,438,598,092,771,502,587,904/48,228,969,042.99
  6. Step 6: Final answer
    x = 29,828,506,006.20

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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.