Home / 890,537,620.51-1,335,805,543.82-610,142,263.03

Finding the Fourth Proportional to 890,537,620.51, 1,335,805,543.82 and 610,142,263.03

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Solution

The fourth proportional to 890,537,620.51, 1,335,805,543.82 and 610,142,263.03 is: 915,212,786.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,537,620.51 : 1,335,805,543.82 = 610,142,263.03 : x
  2. Step 2: Convert to fraction form
    890,537,620.51/1,335,805,543.82 = 610,142,263.03/x
  3. Step 3: Cross multiply
    890,537,620.51x = 1,335,805,543.82 × 610,142,263.03
  4. Step 4: Simplify right side
    890,537,620.51x = 815,031,417,474,354,560
  5. Step 5: Solve for x
    x = 815,031,417,474,354,560/890,537,620.51
  6. Step 6: Final answer
    x = 915,212,786.86

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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.