Home / 501,805,984.95-752,539,207.91-190,839,720.87

Finding the Fourth Proportional to 501,805,984.95, 752,539,207.91 and 190,839,720.87

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Solution

The fourth proportional to 501,805,984.95, 752,539,207.91 and 190,839,720.87 is: 286,195,016.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,805,984.95 : 752,539,207.91 = 190,839,720.87 : x
  2. Step 2: Convert to fraction form
    501,805,984.95/752,539,207.91 = 190,839,720.87/x
  3. Step 3: Cross multiply
    501,805,984.95x = 752,539,207.91 × 190,839,720.87
  4. Step 4: Simplify right side
    501,805,984.95x = 143,614,372,380,321,088
  5. Step 5: Solve for x
    x = 143,614,372,380,321,088/501,805,984.95
  6. Step 6: Final answer
    x = 286,195,016.97

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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.