Home / 1,639,025,385.93-2,458,185,826.70-518,637,828.38

Finding the Fourth Proportional to 1,639,025,385.93, 2,458,185,826.70 and 518,637,828.38

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Solution

The fourth proportional to 1,639,025,385.93, 2,458,185,826.70 and 518,637,828.38 is: 777,845,279.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,025,385.93 : 2,458,185,826.70 = 518,637,828.38 : x
  2. Step 2: Convert to fraction form
    1,639,025,385.93/2,458,185,826.70 = 518,637,828.38/x
  3. Step 3: Cross multiply
    1,639,025,385.93x = 2,458,185,826.70 × 518,637,828.38
  4. Step 4: Simplify right side
    1,639,025,385.93x = 1,274,908,158,903,188,736
  5. Step 5: Solve for x
    x = 1,274,908,158,903,188,736/1,639,025,385.93
  6. Step 6: Final answer
    x = 777,845,279.18

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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.