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Finding the Fourth Proportional to 15,261,708,872.40, 22,892,563,308.60 and 15,261,708,872.40

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Solution

The fourth proportional to 15,261,708,872.40, 22,892,563,308.60 and 15,261,708,872.40 is: 22,892,563,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,261,708,872.40 : 22,892,563,308.60 = 15,261,708,872.40 : x
  2. Step 2: Convert to fraction form
    15,261,708,872.40/22,892,563,308.60 = 15,261,708,872.40/x
  3. Step 3: Cross multiply
    15,261,708,872.40x = 22,892,563,308.60 × 15,261,708,872.40
  4. Step 4: Simplify right side
    15,261,708,872.40x = 349,379,636,558,839,283,712
  5. Step 5: Solve for x
    x = 349,379,636,558,839,283,712/15,261,708,872.40
  6. Step 6: Final answer
    x = 22,892,563,308.60

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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.