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Finding the Fourth Proportional to 559,695,052.44, 772,381,855.80 and 308,799,430.80

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Solution

The fourth proportional to 559,695,052.44, 772,381,855.80 and 308,799,430.80 is: 426,144,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,695,052.44 : 772,381,855.80 = 308,799,430.80 : x
  2. Step 2: Convert to fraction form
    559,695,052.44/772,381,855.80 = 308,799,430.80/x
  3. Step 3: Cross multiply
    559,695,052.44x = 772,381,855.80 × 308,799,430.80
  4. Step 4: Simplify right side
    559,695,052.44x = 238,511,077,431,287,680
  5. Step 5: Solve for x
    x = 238,511,077,431,287,680/559,695,052.44
  6. Step 6: Final answer
    x = 426,144,695.03

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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.