Home / 893,641,947.33-1,233,237,236.76-491,801,962.26

Finding the Fourth Proportional to 893,641,947.33, 1,233,237,236.76 and 491,801,962.26

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Solution

The fourth proportional to 893,641,947.33, 1,233,237,236.76 and 491,801,962.26 is: 678,692,953.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,641,947.33 : 1,233,237,236.76 = 491,801,962.26 : x
  2. Step 2: Convert to fraction form
    893,641,947.33/1,233,237,236.76 = 491,801,962.26/x
  3. Step 3: Cross multiply
    893,641,947.33x = 1,233,237,236.76 × 491,801,962.26
  4. Step 4: Simplify right side
    893,641,947.33x = 606,508,492,970,668,160
  5. Step 5: Solve for x
    x = 606,508,492,970,668,160/893,641,947.33
  6. Step 6: Final answer
    x = 678,692,953.91

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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.