Home / 890,537,619.51-1,335,805,542.32-610,142,262.03

Finding the Fourth Proportional to 890,537,619.51, 1,335,805,542.32 and 610,142,262.03

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Solution

The fourth proportional to 890,537,619.51, 1,335,805,542.32 and 610,142,262.03 is: 915,212,785.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,537,619.51 : 1,335,805,542.32 = 610,142,262.03 : x
  2. Step 2: Convert to fraction form
    890,537,619.51/1,335,805,542.32 = 610,142,262.03/x
  3. Step 3: Cross multiply
    890,537,619.51x = 1,335,805,542.32 × 610,142,262.03
  4. Step 4: Simplify right side
    890,537,619.51x = 815,031,415,220,284,928
  5. Step 5: Solve for x
    x = 815,031,415,220,284,928/890,537,619.51
  6. Step 6: Final answer
    x = 915,212,785.36

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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.