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Finding the Fourth Proportional to 56,685,270,619.40, 85,027,905,929.10 and 56,685,270,619.40

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Solution

The fourth proportional to 56,685,270,619.40, 85,027,905,929.10 and 56,685,270,619.40 is: 85,027,905,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,685,270,619.40 : 85,027,905,929.10 = 56,685,270,619.40 : x
  2. Step 2: Convert to fraction form
    56,685,270,619.40/85,027,905,929.10 = 56,685,270,619.40/x
  3. Step 3: Cross multiply
    56,685,270,619.40x = 85,027,905,929.10 × 56,685,270,619.40
  4. Step 4: Simplify right side
    56,685,270,619.40x = 4,819,829,857,791,919,521,792
  5. Step 5: Solve for x
    x = 4,819,829,857,791,919,521,792/56,685,270,619.40
  6. Step 6: Final answer
    x = 85,027,905,929.10

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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.