Home / 1,417,746,912.56-1,956,598,910.87-782,789,817.09

Finding the Fourth Proportional to 1,417,746,912.56, 1,956,598,910.87 and 782,789,817.09

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Solution

The fourth proportional to 1,417,746,912.56, 1,956,598,910.87 and 782,789,817.09 is: 1,080,309,673.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,746,912.56 : 1,956,598,910.87 = 782,789,817.09 : x
  2. Step 2: Convert to fraction form
    1,417,746,912.56/1,956,598,910.87 = 782,789,817.09/x
  3. Step 3: Cross multiply
    1,417,746,912.56x = 1,956,598,910.87 × 782,789,817.09
  4. Step 4: Simplify right side
    1,417,746,912.56x = 1,531,605,703,554,506,752
  5. Step 5: Solve for x
    x = 1,531,605,703,554,506,752/1,417,746,912.56
  6. Step 6: Final answer
    x = 1,080,309,673.04

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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.