Home / 8,470,528,945.43-12,681,257,346.68-6,380,806,257.09

Finding the Fourth Proportional to 8,470,528,945.43, 12,681,257,346.68 and 6,380,806,257.09

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Solution

The fourth proportional to 8,470,528,945.43, 12,681,257,346.68 and 6,380,806,257.09 is: 9,552,726,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470,528,945.43 : 12,681,257,346.68 = 6,380,806,257.09 : x
  2. Step 2: Convert to fraction form
    8,470,528,945.43/12,681,257,346.68 = 6,380,806,257.09/x
  3. Step 3: Cross multiply
    8,470,528,945.43x = 12,681,257,346.68 × 6,380,806,257.09
  4. Step 4: Simplify right side
    8,470,528,945.43x = 80,916,646,225,432,363,008
  5. Step 5: Solve for x
    x = 80,916,646,225,432,363,008/8,470,528,945.43
  6. Step 6: Final answer
    x = 9,552,726,488.13

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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.