Home / 2,976,412,317.15-4,107,416,402.29-1,638,273,797.31

Finding the Fourth Proportional to 2,976,412,317.15, 4,107,416,402.29 and 1,638,273,797.31

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Solution

The fourth proportional to 2,976,412,317.15, 4,107,416,402.29 and 1,638,273,797.31 is: 2,260,799,899.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976,412,317.15 : 4,107,416,402.29 = 1,638,273,797.31 : x
  2. Step 2: Convert to fraction form
    2,976,412,317.15/4,107,416,402.29 = 1,638,273,797.31/x
  3. Step 3: Cross multiply
    2,976,412,317.15x = 4,107,416,402.29 × 1,638,273,797.31
  4. Step 4: Simplify right side
    2,976,412,317.15x = 6,729,072,666,513,016,832
  5. Step 5: Solve for x
    x = 6,729,072,666,513,016,832/2,976,412,317.15
  6. Step 6: Final answer
    x = 2,260,799,899.17

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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.