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Finding the Fourth Proportional to 562,446,751.80, 843,670,127.70 and 153,544,236.60

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Solution

The fourth proportional to 562,446,751.80, 843,670,127.70 and 153,544,236.60 is: 230,316,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,446,751.80 : 843,670,127.70 = 153,544,236.60 : x
  2. Step 2: Convert to fraction form
    562,446,751.80/843,670,127.70 = 153,544,236.60/x
  3. Step 3: Cross multiply
    562,446,751.80x = 843,670,127.70 × 153,544,236.60
  4. Step 4: Simplify right side
    562,446,751.80x = 129,540,685,699,921,024
  5. Step 5: Solve for x
    x = 129,540,685,699,921,024/562,446,751.80
  6. Step 6: Final answer
    x = 230,316,354.90

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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.