Home / 1,312,348,213.88-1,810,187,195.29-841,704,064.28

Finding the Fourth Proportional to 1,312,348,213.88, 1,810,187,195.29 and 841,704,064.28

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Solution

The fourth proportional to 1,312,348,213.88, 1,810,187,195.29 and 841,704,064.28 is: 1,161,004,299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,348,213.88 : 1,810,187,195.29 = 841,704,064.28 : x
  2. Step 2: Convert to fraction form
    1,312,348,213.88/1,810,187,195.29 = 841,704,064.28/x
  3. Step 3: Cross multiply
    1,312,348,213.88x = 1,810,187,195.29 × 841,704,064.28
  4. Step 4: Simplify right side
    1,312,348,213.88x = 1,523,641,919,383,206,912
  5. Step 5: Solve for x
    x = 1,523,641,919,383,206,912/1,312,348,213.88
  6. Step 6: Final answer
    x = 1,161,004,299.98

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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.