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Finding the Fourth Proportional to 1,159,453,714.70, 1,619,791,462.90 and 1,159,453,714.70

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Solution

The fourth proportional to 1,159,453,714.70, 1,619,791,462.90 and 1,159,453,714.70 is: 1,619,791,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,453,714.70 : 1,619,791,462.90 = 1,159,453,714.70 : x
  2. Step 2: Convert to fraction form
    1,159,453,714.70/1,619,791,462.90 = 1,159,453,714.70/x
  3. Step 3: Cross multiply
    1,159,453,714.70x = 1,619,791,462.90 × 1,159,453,714.70
  4. Step 4: Simplify right side
    1,159,453,714.70x = 1,878,073,228,698,752,512
  5. Step 5: Solve for x
    x = 1,878,073,228,698,752,512/1,159,453,714.70
  6. Step 6: Final answer
    x = 1,619,791,462.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.