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Finding the Fourth Proportional to 568,881,713.46, 853,323,667.98 and 219,292,407.30

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Solution

The fourth proportional to 568,881,713.46, 853,323,667.98 and 219,292,407.30 is: 328,939,034.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,881,713.46 : 853,323,667.98 = 219,292,407.30 : x
  2. Step 2: Convert to fraction form
    568,881,713.46/853,323,667.98 = 219,292,407.30/x
  3. Step 3: Cross multiply
    568,881,713.46x = 853,323,667.98 × 219,292,407.30
  4. Step 4: Simplify right side
    568,881,713.46x = 187,127,401,357,400,128
  5. Step 5: Solve for x
    x = 187,127,401,357,400,128/568,881,713.46
  6. Step 6: Final answer
    x = 328,939,034.13

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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.