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Finding the Fourth Proportional to 529,841,860.30, 794,784,703.94 and 156,349,749.98

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Solution

The fourth proportional to 529,841,860.30, 794,784,703.94 and 156,349,749.98 is: 234,531,091.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,841,860.30 : 794,784,703.94 = 156,349,749.98 : x
  2. Step 2: Convert to fraction form
    529,841,860.30/794,784,703.94 = 156,349,749.98/x
  3. Step 3: Cross multiply
    529,841,860.30x = 794,784,703.94 × 156,349,749.98
  4. Step 4: Simplify right side
    529,841,860.30x = 124,264,389,751,295,216
  5. Step 5: Solve for x
    x = 124,264,389,751,295,216/529,841,860.30
  6. Step 6: Final answer
    x = 234,531,091.37

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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.