Home / 2,309,591,579.39-3,187,299,050.29-1,306,159,199.11

Finding the Fourth Proportional to 2,309,591,579.39, 3,187,299,050.29 and 1,306,159,199.11

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Solution

The fourth proportional to 2,309,591,579.39, 3,187,299,050.29 and 1,306,159,199.11 is: 1,802,535,137.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,591,579.39 : 3,187,299,050.29 = 1,306,159,199.11 : x
  2. Step 2: Convert to fraction form
    2,309,591,579.39/3,187,299,050.29 = 1,306,159,199.11/x
  3. Step 3: Cross multiply
    2,309,591,579.39x = 3,187,299,050.29 × 1,306,159,199.11
  4. Step 4: Simplify right side
    2,309,591,579.39x = 4,163,119,974,856,242,688
  5. Step 5: Solve for x
    x = 4,163,119,974,856,242,688/2,309,591,579.39
  6. Step 6: Final answer
    x = 1,802,535,137.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.