Home / 1,901,256,910.40-2,849,872,559.31-639,519,893.72

Finding the Fourth Proportional to 1,901,256,910.40, 2,849,872,559.31 and 639,519,893.72

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Solution

The fourth proportional to 1,901,256,910.40, 2,849,872,559.31 and 639,519,893.72 is: 958,602,799.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,256,910.40 : 2,849,872,559.31 = 639,519,893.72 : x
  2. Step 2: Convert to fraction form
    1,901,256,910.40/2,849,872,559.31 = 639,519,893.72/x
  3. Step 3: Cross multiply
    1,901,256,910.40x = 2,849,872,559.31 × 639,519,893.72
  4. Step 4: Simplify right side
    1,901,256,910.40x = 1,822,550,196,245,475,584
  5. Step 5: Solve for x
    x = 1,822,550,196,245,475,584/1,901,256,910.40
  6. Step 6: Final answer
    x = 958,602,799.17

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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.