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Finding the Fourth Proportional to 681,716,897.90, 1,022,575,346.85 and 681,716,897.90

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Solution

The fourth proportional to 681,716,897.90, 1,022,575,346.85 and 681,716,897.90 is: 1,022,575,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,716,897.90 : 1,022,575,346.85 = 681,716,897.90 : x
  2. Step 2: Convert to fraction form
    681,716,897.90/1,022,575,346.85 = 681,716,897.90/x
  3. Step 3: Cross multiply
    681,716,897.90x = 1,022,575,346.85 × 681,716,897.90
  4. Step 4: Simplify right side
    681,716,897.90x = 697,106,893,323,598,592
  5. Step 5: Solve for x
    x = 697,106,893,323,598,592/681,716,897.90
  6. Step 6: Final answer
    x = 1,022,575,346.85

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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.