Home / 1,837,169,943.30-2,755,754,914.95-1,320,609,291.30

Finding the Fourth Proportional to 1,837,169,943.30, 2,755,754,914.95 and 1,320,609,291.30

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Solution

The fourth proportional to 1,837,169,943.30, 2,755,754,914.95 and 1,320,609,291.30 is: 1,980,913,936.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837,169,943.30 : 2,755,754,914.95 = 1,320,609,291.30 : x
  2. Step 2: Convert to fraction form
    1,837,169,943.30/2,755,754,914.95 = 1,320,609,291.30/x
  3. Step 3: Cross multiply
    1,837,169,943.30x = 2,755,754,914.95 × 1,320,609,291.30
  4. Step 4: Simplify right side
    1,837,169,943.30x = 3,639,275,545,228,611,072
  5. Step 5: Solve for x
    x = 3,639,275,545,228,611,072/1,837,169,943.30
  6. Step 6: Final answer
    x = 1,980,913,936.95

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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.