Home / 5,309,457,077.80-7,964,185,616.70-1,378,840,709.80

Finding the Fourth Proportional to 5,309,457,077.80, 7,964,185,616.70 and 1,378,840,709.80

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Solution

The fourth proportional to 5,309,457,077.80, 7,964,185,616.70 and 1,378,840,709.80 is: 2,068,261,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309,457,077.80 : 7,964,185,616.70 = 1,378,840,709.80 : x
  2. Step 2: Convert to fraction form
    5,309,457,077.80/7,964,185,616.70 = 1,378,840,709.80/x
  3. Step 3: Cross multiply
    5,309,457,077.80x = 7,964,185,616.70 × 1,378,840,709.80
  4. Step 4: Simplify right side
    5,309,457,077.80x = 10,981,343,348,709,578,752
  5. Step 5: Solve for x
    x = 10,981,343,348,709,578,752/5,309,457,077.80
  6. Step 6: Final answer
    x = 2,068,261,064.70

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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.