Home / 1,425,858,344.81-1,967,424,341.09-822,808,966.91

Finding the Fourth Proportional to 1,425,858,344.81, 1,967,424,341.09 and 822,808,966.91

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Solution

The fourth proportional to 1,425,858,344.81, 1,967,424,341.09 and 822,808,966.91 is: 1,135,326,237.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,858,344.81 : 1,967,424,341.09 = 822,808,966.91 : x
  2. Step 2: Convert to fraction form
    1,425,858,344.81/1,967,424,341.09 = 822,808,966.91/x
  3. Step 3: Cross multiply
    1,425,858,344.81x = 1,967,424,341.09 × 822,808,966.91
  4. Step 4: Simplify right side
    1,425,858,344.81x = 1,618,814,389,551,899,136
  5. Step 5: Solve for x
    x = 1,618,814,389,551,899,136/1,425,858,344.81
  6. Step 6: Final answer
    x = 1,135,326,237.32

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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.