Home / 1,457,902,669.39-2,012,167,578.65-823,016,678.74

Finding the Fourth Proportional to 1,457,902,669.39, 2,012,167,578.65 and 823,016,678.74

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Solution

The fourth proportional to 1,457,902,669.39, 2,012,167,578.65 and 823,016,678.74 is: 1,135,910,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,902,669.39 : 2,012,167,578.65 = 823,016,678.74 : x
  2. Step 2: Convert to fraction form
    1,457,902,669.39/2,012,167,578.65 = 823,016,678.74/x
  3. Step 3: Cross multiply
    1,457,902,669.39x = 2,012,167,578.65 × 823,016,678.74
  4. Step 4: Simplify right side
    1,457,902,669.39x = 1,656,047,477,639,725,312
  5. Step 5: Solve for x
    x = 1,656,047,477,639,725,312/1,457,902,669.39
  6. Step 6: Final answer
    x = 1,135,910,861.82

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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.